Part Number: GB-21B-M05-20-030-B
Gears - Bevel - Module 0.5 - Brass
Item DetailsRefer to diagram further down page
Ratio: 2 to 1
Comment: Small Gear Only
Matching Gear to Complete Set:
Match with GB21BM0540040B
Teeth: 20 No.
3.000 / Plain Hub mm
(3.000 / Plain Hub mm = 0.1181 inch)
Pitch Diameter (PD): 10.00 mm
(10.00 mm = 0.3937 inch)
Face Width (S): 3.20 mm
(3.20 mm = 0.1260 inch)
Overall Width (L): 8.50 mm
(8.50 mm = 0.3346 inch)
Hub Diameter (D1): 8.00 mm
(8.00 mm = 0.3150 inch)
Mounting Distance (A):
(15.52 mm = 0.6110 inch)
Hub Length (l1): 5.00 mm
(5.00 mm = 0.1969 inch)
*** Backorder Now ***
Available in 28 to 35 days after order
Photo is close in appearance, but may not be the actual product
For 90o angle power transfer. Ratios exceeding 1 to 1.
20o Pressure Angle.
Do not mix gears from different sets.
See Gears - Mitre for 1:1 ratios.
For easy ready selected sets of 90o gears please see the HES website
Module 0.5 Mitre Gears
Diagram for GB-21B-M05-20-030-B
Other Things You Should Know
The information below answers some of the main questions about dealing with us. A more indepth Frequently Asked Questions Page is available if the summary below doesn't answer your question.
Pick Up: You may collect your order from our warehouse after you have been advised that the parcel is ready. Please bring a copy of your order.
Internet Orders: You don't need to provide credit card details when confirming your internet order. There are other payment options available at checkout. If you pay by credit card you can be assured that no credit card details are stored on the server.
Phone Orders and Payments: Phone orders can be placed with any of the MBA distributors listed at https://www.minibearings.com.au/distributors/. Credit card payments can be made by phoning during business hours on the payments line shown on your invoice. PayPal payments are made from the confirmation screen following your order submission. Alternatively you may process a PayPal payment afterwards by using the PAYMENTS page. When placing an order with a distributor by phone please ensure you have the part number and all of your details ready before calling. Distributor pricing may vary from website pricing.
Counter Orders: Orders may be placed for collection from our warehouse at
3/8 Boyland Avenue
We no longer have a sales counter..
Fax Orders: Fax orders can be placed at the online prices. Please fax your order to Miniature Bearings Australia Pty Ltd at 07 3014 8764.
E-mail Orders: firstname.lastname@example.org. To avoid delays please provide the correct part numbers and pricing as displayed on this site. Credit card details should never be sent by standard e-mail. Payment can be made by one of the secure methods after we send you a pro-forma invoice.
Postal Mail Orders: MAIL ORDERS can be placed at the online prices.
Withdrawal From Sale: We reserve the right to withdraw items from sale if errors are found in the data or prices, or if they become unobtainable through our usual sources. Please see our terms of sale.
Please choose carefully. Items requiring backorder or special procurement may not be cancellable once the order has been processed. Backorders will only be processed once payment has been received. See our Terms of Sale for more information.
Other Store Pages
Click Page Banner BelowTop
Click Page Banner BelowTop