Bearings - Needle Roller Inner Rings– Page14 – Miniature Bearings Australia - MBA Minibearings - Online, Pick-Up, Retail, Distributors, Wholesale

Inside Diameter	Outside Diameter	Length (L)	Features	Indicative Image
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 12.50 mm (Equiv. 0.492 in.)
Material: Chrome Steel Brand: IKO
Part Number: IR-0450-0500-0125 Needle Roller Inner Rings Bearings - 45x50x12.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $27.59 AUD Regular price ~~$33.11 AUD~~ Sale price $27.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter	Outside Diameter	Length (L)	Features	Indicative Image
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 12.50 mm (Equiv. 0.492 in.)
Material: Chrome Steel Brand: IKO
Part Number: IR-0450-0500-0125 Needle Roller Inner Rings Bearings - 45x50x12.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $27.59 AUD Regular price ~~$33.11 AUD~~ Sale price $27.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0125 --- Needle Roller Inner Rings Bearings - 45x50x12.5 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0125 --- Needle Roller Inner Rings Bearings - 45x50x12.5 mm - Chrome Steel Inner Ring Regular price $27.59 AUD Regular price ~~$33.11 AUD~~ Sale price $27.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 15.500 mm (Equiv. 0.61 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0155 Needle Roller Inner Rings Bearings - 45x50x15.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $30.59 AUD Regular price ~~$36.71 AUD~~ Sale price $30.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 15.500 mm (Equiv. 0.61 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0155 Needle Roller Inner Rings Bearings - 45x50x15.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $30.59 AUD Regular price ~~$36.71 AUD~~ Sale price $30.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0155 --- Needle Roller Inner Rings Bearings - 45x50x15.5 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0155 --- Needle Roller Inner Rings Bearings - 45x50x15.5 mm - Chrome Steel Inner Ring Regular price $30.59 AUD Regular price ~~$36.71 AUD~~ Sale price $30.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 20.000 mm (Equiv. 0.787 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0200 Needle Roller Inner Rings Bearings - 45x50x20 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $30.59 AUD Regular price ~~$36.71 AUD~~ Sale price $30.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 20.000 mm (Equiv. 0.787 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0200 Needle Roller Inner Rings Bearings - 45x50x20 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $30.59 AUD Regular price ~~$36.71 AUD~~ Sale price $30.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0200 --- Needle Roller Inner Rings Bearings - 45x50x20 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0200 --- Needle Roller Inner Rings Bearings - 45x50x20 mm - Chrome Steel Inner Ring Regular price $30.59 AUD Regular price ~~$36.71 AUD~~ Sale price $30.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 20.500 mm (Equiv. 0.807 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0205 Needle Roller Inner Rings Bearings - 45x50x20.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $31.23 AUD Regular price ~~$37.47 AUD~~ Sale price $31.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 20.500 mm (Equiv. 0.807 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0205 Needle Roller Inner Rings Bearings - 45x50x20.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $31.23 AUD Regular price ~~$37.47 AUD~~ Sale price $31.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0205 --- Needle Roller Inner Rings Bearings - 45x50x20.5 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0205 --- Needle Roller Inner Rings Bearings - 45x50x20.5 mm - Chrome Steel Inner Ring Regular price $31.23 AUD Regular price ~~$37.47 AUD~~ Sale price $31.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 25.000 mm (Equiv. 0.984 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0250 Needle Roller Inner Rings Bearings - 45x50x25 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $29.14 AUD Regular price ~~$34.96 AUD~~ Sale price $29.14 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 25.000 mm (Equiv. 0.984 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0250 Needle Roller Inner Rings Bearings - 45x50x25 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $29.14 AUD Regular price ~~$34.96 AUD~~ Sale price $29.14 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0250 --- Needle Roller Inner Rings Bearings - 45x50x25 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0250 --- Needle Roller Inner Rings Bearings - 45x50x25 mm - Chrome Steel Inner Ring Regular price $29.14 AUD Regular price ~~$34.96 AUD~~ Sale price $29.14 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 25.500 mm (Equiv. 1.004 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0255 Needle Roller Inner Rings Bearings - 45x50x25.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $32.32 AUD Regular price ~~$38.78 AUD~~ Sale price $32.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 25.500 mm (Equiv. 1.004 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0255 Needle Roller Inner Rings Bearings - 45x50x25.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $32.32 AUD Regular price ~~$38.78 AUD~~ Sale price $32.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0255 --- Needle Roller Inner Rings Bearings - 45x50x25.5 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0255 --- Needle Roller Inner Rings Bearings - 45x50x25.5 mm - Chrome Steel Inner Ring Regular price $32.32 AUD Regular price ~~$38.78 AUD~~ Sale price $32.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 40.000 mm (Equiv. 1.575 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0400 Needle Roller Inner Rings Bearings - 45x50x40 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $40.86 AUD Regular price ~~$49.04 AUD~~ Sale price $40.86 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 40.000 mm (Equiv. 1.575 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0400 Needle Roller Inner Rings Bearings - 45x50x40 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $40.86 AUD Regular price ~~$49.04 AUD~~ Sale price $40.86 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0400 --- Needle Roller Inner Rings Bearings - 45x50x40 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0400 --- Needle Roller Inner Rings Bearings - 45x50x40 mm - Chrome Steel Inner Ring Regular price $40.86 AUD Regular price ~~$49.04 AUD~~ Sale price $40.86 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 30.500 mm (Equiv. 1.201 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0305 Needle Roller Inner Rings Bearings - 45x50x30.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $51.77 AUD Regular price ~~$62.13 AUD~~ Sale price $51.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 30.500 mm (Equiv. 1.201 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0305 Needle Roller Inner Rings Bearings - 45x50x30.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $51.77 AUD Regular price ~~$62.13 AUD~~ Sale price $51.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0305 --- Needle Roller Inner Rings Bearings - 45x50x30.5 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0305 --- Needle Roller Inner Rings Bearings - 45x50x30.5 mm - Chrome Steel Inner Ring Regular price $51.77 AUD Regular price ~~$62.13 AUD~~ Sale price $51.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 35.000 mm (Equiv. 1.378 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0350 Needle Roller Inner Rings Bearings - 45x50x35 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $34.68 AUD Regular price ~~$41.62 AUD~~ Sale price $34.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 35.000 mm (Equiv. 1.378 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0350 Needle Roller Inner Rings Bearings - 45x50x35 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $34.68 AUD Regular price ~~$41.62 AUD~~ Sale price $34.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0350 --- Needle Roller Inner Rings Bearings - 45x50x35 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0350 --- Needle Roller Inner Rings Bearings - 45x50x35 mm - Chrome Steel Inner Ring Regular price $34.68 AUD Regular price ~~$41.62 AUD~~ Sale price $34.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 45.500 mm (Equiv. 1.791 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0455 Needle Roller Inner Rings Bearings - 45x50x45.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $66.14 AUD Regular price ~~$79.36 AUD~~ Sale price $66.14 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 45.500 mm (Equiv. 1.791 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0455 Needle Roller Inner Rings Bearings - 45x50x45.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $66.14 AUD Regular price ~~$79.36 AUD~~ Sale price $66.14 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0455 --- Needle Roller Inner Rings Bearings - 45x50x45.5 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0455 --- Needle Roller Inner Rings Bearings - 45x50x45.5 mm - Chrome Steel Inner Ring Regular price $66.14 AUD Regular price ~~$79.36 AUD~~ Sale price $66.14 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 40.500 mm (Equiv. 1.594 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0405 Needle Roller Inner Rings Bearings - 45x50x40.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $62.59 AUD Regular price ~~$75.11 AUD~~ Sale price $62.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 50.000 mm (Equiv. 1.969 in.)	Length (L) 40.500 mm (Equiv. 1.594 in.)
Material: Chrome Steel
Part Number: IR-0450-0500-0405 Needle Roller Inner Rings Bearings - 45x50x40.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $62.59 AUD Regular price ~~$75.11 AUD~~ Sale price $62.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0500-0405 --- Needle Roller Inner Rings Bearings - 45x50x40.5 mm - Chrome Steel Inner Ring Sale IR-0450-0500-0405 --- Needle Roller Inner Rings Bearings - 45x50x40.5 mm - Chrome Steel Inner Ring Regular price $62.59 AUD Regular price ~~$75.11 AUD~~ Sale price $62.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 52.000 mm (Equiv. 2.047 in.)	Length (L) 22.000 mm (Equiv. 0.866 in.)
Material: Chrome Steel
Part Number: IR-0450-0520-0220 Needle Roller Inner Rings Bearings - 45x52x22 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $28.77 AUD Regular price ~~$34.53 AUD~~ Sale price $28.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 52.000 mm (Equiv. 2.047 in.)	Length (L) 22.000 mm (Equiv. 0.866 in.)
Material: Chrome Steel
Part Number: IR-0450-0520-0220 Needle Roller Inner Rings Bearings - 45x52x22 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $28.77 AUD Regular price ~~$34.53 AUD~~ Sale price $28.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0520-0220 --- Needle Roller Inner Rings Bearings - 45x52x22 mm - Chrome Steel Inner Ring Sale IR-0450-0520-0220 --- Needle Roller Inner Rings Bearings - 45x52x22 mm - Chrome Steel Inner Ring Regular price $28.77 AUD Regular price ~~$34.53 AUD~~ Sale price $28.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 52.000 mm (Equiv. 2.047 in.)	Length (L) 30.00 mm (Equiv. 1.181 in.)
Material: Chrome Steel Brand: NTN
Part Number: IR-0450-0520-0300 Needle Roller Inner Rings Bearings - 45x52x30 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $41.05 AUD Regular price ~~$49.25 AUD~~ Sale price $41.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 52.000 mm (Equiv. 2.047 in.)	Length (L) 30.00 mm (Equiv. 1.181 in.)
Material: Chrome Steel Brand: NTN
Part Number: IR-0450-0520-0300 Needle Roller Inner Rings Bearings - 45x52x30 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $41.05 AUD Regular price ~~$49.25 AUD~~ Sale price $41.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0520-0300 --- Needle Roller Inner Rings Bearings - 45x52x30 mm - Chrome Steel Inner Ring Sale IR-0450-0520-0300 --- Needle Roller Inner Rings Bearings - 45x52x30 mm - Chrome Steel Inner Ring Regular price $41.05 AUD Regular price ~~$49.25 AUD~~ Sale price $41.05 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 52.000 mm (Equiv. 2.047 in.)	Length (L) 40.000 mm (Equiv. 1.575 in.)
Material: Chrome Steel
Part Number: IR-0450-0520-0400 Needle Roller Inner Rings Bearings - 45x52x40 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $49.86 AUD Regular price ~~$59.84 AUD~~ Sale price $49.86 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 52.000 mm (Equiv. 2.047 in.)	Length (L) 40.000 mm (Equiv. 1.575 in.)
Material: Chrome Steel
Part Number: IR-0450-0520-0400 Needle Roller Inner Rings Bearings - 45x52x40 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $49.86 AUD Regular price ~~$59.84 AUD~~ Sale price $49.86 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0520-0400 --- Needle Roller Inner Rings Bearings - 45x52x40 mm - Chrome Steel Inner Ring Sale IR-0450-0520-0400 --- Needle Roller Inner Rings Bearings - 45x52x40 mm - Chrome Steel Inner Ring Regular price $49.86 AUD Regular price ~~$59.84 AUD~~ Sale price $49.86 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 52.000 mm (Equiv. 2.047 in.)	Length (L) 41.00 mm (Equiv. 1.614 in.)
Material: Chrome Steel Brand: IKO
Part Number: IR-0450-0520-0410 Needle Roller Inner Rings Bearings - 45x52x41 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $65.68 AUD Regular price ~~$78.82 AUD~~ Sale price $65.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 52.000 mm (Equiv. 2.047 in.)	Length (L) 41.00 mm (Equiv. 1.614 in.)
Material: Chrome Steel Brand: IKO
Part Number: IR-0450-0520-0410 Needle Roller Inner Rings Bearings - 45x52x41 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $65.68 AUD Regular price ~~$78.82 AUD~~ Sale price $65.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0520-0410 --- Needle Roller Inner Rings Bearings - 45x52x41 mm - Chrome Steel Inner Ring Sale IR-0450-0520-0410 --- Needle Roller Inner Rings Bearings - 45x52x41 mm - Chrome Steel Inner Ring Regular price $65.68 AUD Regular price ~~$78.82 AUD~~ Sale price $65.68 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 20.000 mm (Equiv. 0.787 in.)
Material: Chrome Steel
Part Number: IR-0450-0550-0200 Needle Roller Inner Rings Bearings - 45x55x20 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $29.32 AUD Regular price ~~$35.18 AUD~~ Sale price $29.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 20.000 mm (Equiv. 0.787 in.)
Material: Chrome Steel
Part Number: IR-0450-0550-0200 Needle Roller Inner Rings Bearings - 45x55x20 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $29.32 AUD Regular price ~~$35.18 AUD~~ Sale price $29.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0550-0200 --- Needle Roller Inner Rings Bearings - 45x55x20 mm - Chrome Steel Inner Ring Sale IR-0450-0550-0200 --- Needle Roller Inner Rings Bearings - 45x55x20 mm - Chrome Steel Inner Ring Regular price $29.32 AUD Regular price ~~$35.18 AUD~~ Sale price $29.32 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 40.000 mm (Equiv. 1.575 in.)
Material: Chrome Steel
Part Number: IR-0450-0550-0400 Needle Roller Inner Rings Bearings - 45x55x40 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $51.77 AUD Regular price ~~$62.13 AUD~~ Sale price $51.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 45.000 mm (Equiv. 1.772 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 40.000 mm (Equiv. 1.575 in.)
Material: Chrome Steel
Part Number: IR-0450-0550-0400 Needle Roller Inner Rings Bearings - 45x55x40 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $51.77 AUD Regular price ~~$62.13 AUD~~ Sale price $51.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0450-0550-0400 --- Needle Roller Inner Rings Bearings - 45x55x40 mm - Chrome Steel Inner Ring Sale IR-0450-0550-0400 --- Needle Roller Inner Rings Bearings - 45x55x40 mm - Chrome Steel Inner Ring Regular price $51.77 AUD Regular price ~~$62.13 AUD~~ Sale price $51.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 47.625 mm (Equiv. 1.875 in.)	Outside Diameter 53.975 mm (Equiv. 2.125 in.)	Length (L) 25.650 mm (Equiv. 1.01 in.)
Material: Chrome Steel
Part Number: IR-0476-0540-0257 Needle Roller Inner Rings Bearings - 47.625x53.975x25.65 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Sep 17, 2025 Regular price $24.95 AUD Regular price ~~$29.95 AUD~~ Sale price $24.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 47.625 mm (Equiv. 1.875 in.)	Outside Diameter 53.975 mm (Equiv. 2.125 in.)	Length (L) 25.650 mm (Equiv. 1.01 in.)
Material: Chrome Steel
Part Number: IR-0476-0540-0257 Needle Roller Inner Rings Bearings - 47.625x53.975x25.65 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Sep 17, 2025 Regular price $24.95 AUD Regular price ~~$29.95 AUD~~ Sale price $24.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0476-0540-0257 --- Needle Roller Inner Rings Bearings - 47.625x53.975x25.65 mm - Chrome Steel Inner Ring Sale IR-0476-0540-0257 --- Needle Roller Inner Rings Bearings - 47.625x53.975x25.65 mm - Chrome Steel Inner Ring Regular price $24.95 AUD Regular price ~~$29.95 AUD~~ Sale price $24.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 47.625 mm (Equiv. 1.875 in.)	Outside Diameter 53.975 mm (Equiv. 2.125 in.)	Length (L) 38.350 mm (Equiv. 1.51 in.)
Material: Chrome Steel
Part Number: IR-0476-0540-0384 Needle Roller Inner Rings Bearings - 47.625x53.975x38.35 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Sep 17, 2025 Regular price $43.23 AUD Regular price ~~$51.87 AUD~~ Sale price $43.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 47.625 mm (Equiv. 1.875 in.)	Outside Diameter 53.975 mm (Equiv. 2.125 in.)	Length (L) 38.350 mm (Equiv. 1.51 in.)
Material: Chrome Steel
Part Number: IR-0476-0540-0384 Needle Roller Inner Rings Bearings - 47.625x53.975x38.35 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Wed, Sep 17, 2025 Regular price $43.23 AUD Regular price ~~$51.87 AUD~~ Sale price $43.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0476-0540-0384 --- Needle Roller Inner Rings Bearings - 47.625x53.975x38.35 mm - Chrome Steel Inner Ring Sale IR-0476-0540-0384 --- Needle Roller Inner Rings Bearings - 47.625x53.975x38.35 mm - Chrome Steel Inner Ring Regular price $43.23 AUD Regular price ~~$51.87 AUD~~ Sale price $43.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 20.00 mm (Equiv. 0.787 in.)
Material: Chrome Steel Brand: NTN
Part Number: IR-0500-0550-0200 Needle Roller Inner Rings Bearings - 50x55x20 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $32.23 AUD Regular price ~~$38.67 AUD~~ Sale price $32.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 20.00 mm (Equiv. 0.787 in.)
Material: Chrome Steel Brand: NTN
Part Number: IR-0500-0550-0200 Needle Roller Inner Rings Bearings - 50x55x20 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $32.23 AUD Regular price ~~$38.67 AUD~~ Sale price $32.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0500-0550-0200 --- Needle Roller Inner Rings Bearings - 50x55x20 mm - Chrome Steel Inner Ring Sale IR-0500-0550-0200 --- Needle Roller Inner Rings Bearings - 50x55x20 mm - Chrome Steel Inner Ring Regular price $32.23 AUD Regular price ~~$38.67 AUD~~ Sale price $32.23 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 20.500 mm (Equiv. 0.807 in.)
Material: Chrome Steel
Part Number: IR-0500-0550-0205 Needle Roller Inner Rings Bearings - 50x55x20.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $40.95 AUD Regular price ~~$49.15 AUD~~ Sale price $40.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 20.500 mm (Equiv. 0.807 in.)
Material: Chrome Steel
Part Number: IR-0500-0550-0205 Needle Roller Inner Rings Bearings - 50x55x20.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $40.95 AUD Regular price ~~$49.15 AUD~~ Sale price $40.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0500-0550-0205 --- Needle Roller Inner Rings Bearings - 50x55x20.5 mm - Chrome Steel Inner Ring Sale IR-0500-0550-0205 --- Needle Roller Inner Rings Bearings - 50x55x20.5 mm - Chrome Steel Inner Ring Regular price $40.95 AUD Regular price ~~$49.15 AUD~~ Sale price $40.95 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 25.500 mm (Equiv. 1.004 in.)
Material: Chrome Steel
Part Number: IR-0500-0550-0255 Needle Roller Inner Rings Bearings - 50x55x25.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $44.59 AUD Regular price ~~$53.51 AUD~~ Sale price $44.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 25.500 mm (Equiv. 1.004 in.)
Material: Chrome Steel
Part Number: IR-0500-0550-0255 Needle Roller Inner Rings Bearings - 50x55x25.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $44.59 AUD Regular price ~~$53.51 AUD~~ Sale price $44.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0500-0550-0255 --- Needle Roller Inner Rings Bearings - 50x55x25.5 mm - Chrome Steel Inner Ring Sale IR-0500-0550-0255 --- Needle Roller Inner Rings Bearings - 50x55x25.5 mm - Chrome Steel Inner Ring Regular price $44.59 AUD Regular price ~~$53.51 AUD~~ Sale price $44.59 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 25.000 mm (Equiv. 0.984 in.)
Material: Chrome Steel
Part Number: IR-0500-0550-0250 Needle Roller Inner Rings Bearings - 50x55x25 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $32.50 AUD Regular price ~~$39.00 AUD~~ Sale price $32.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 25.000 mm (Equiv. 0.984 in.)
Material: Chrome Steel
Part Number: IR-0500-0550-0250 Needle Roller Inner Rings Bearings - 50x55x25 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $32.50 AUD Regular price ~~$39.00 AUD~~ Sale price $32.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0500-0550-0250 --- Needle Roller Inner Rings Bearings - 50x55x25 mm - Chrome Steel Inner Ring Sale IR-0500-0550-0250 --- Needle Roller Inner Rings Bearings - 50x55x25 mm - Chrome Steel Inner Ring Regular price $32.50 AUD Regular price ~~$39.00 AUD~~ Sale price $32.50 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 30.500 mm (Equiv. 1.201 in.)
Material: Chrome Steel
Part Number: IR-0500-0550-0305 Needle Roller Inner Rings Bearings - 50x55x30.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $51.77 AUD Regular price ~~$62.13 AUD~~ Sale price $51.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
Inside Diameter 50.000 mm (Equiv. 1.969 in.)	Outside Diameter 55.000 mm (Equiv. 2.165 in.)	Length (L) 30.500 mm (Equiv. 1.201 in.)
Material: Chrome Steel
Part Number: IR-0500-0550-0305 Needle Roller Inner Rings Bearings - 50x55x30.5 mm - Chrome Steel Inner Ring Out of Stock \| Backorder Now \| Orders can be expected around Mon, Oct 13, 2025 Regular price $51.77 AUD Regular price ~~$62.13 AUD~~ Sale price $51.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Each Quantity Required Backorder: Out of Stock.
IR-0500-0550-0305 --- Needle Roller Inner Rings Bearings - 50x55x30.5 mm - Chrome Steel Inner Ring Sale IR-0500-0550-0305 --- Needle Roller Inner Rings Bearings - 50x55x30.5 mm - Chrome Steel Inner Ring Regular price $51.77 AUD Regular price ~~$62.13 AUD~~ Sale price $51.77 AUD Unit price per Excludes GST and overseas Taxes & Duties Out of stock! Backorder Now Sale

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