RB Replacement RC Nitro Engine Parts

A selection of replacement parts for RB. These parts are not original parts unless otherwise stated in the descriptions. Please check your choices thoroughly.

Add the quantities required for each item, then click "Add to Cart" before proceeding to the next page

Replacement Parts Price Quantity
Single Row Ball Bearings - 7x17x5 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
RB V12 Rody - 21: BB 7-17-5
RB V12 Rody - 21: Bearing - High Speed Economy Bearing - Polyamide Retainer

Replacement Part: 697-2RU-T9H-ECO (Each)
Double lightly sealed economy bearing with a high speed polyamide retainer

Single Row Ball Bearings - 7x17x5 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$26.41 $31.69
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 7x19x6 mm - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls - Replaces -
RB 15 Small BLOCK - 32: BB 7-19-6
RB 25 All Models: BB 7-19-6
RB Concept.21 WS7 - 21: BB 7-19-6
RB S5 - 21: BB 7-19-6
RB S7 EUROPA - 5: BB 7-19-6
RB S7II - 21: BB 7-19-6
RB WS7 - 23: BB 7-19-6
RB WS7II - 21: BB 7-19-6
RB WS7III - 21: BB 7-19-6
RB 15 All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 15 Small BLOCK - 32: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 25 All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 32: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB Concept.21 WS7 - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S5 - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7 EUROPA - 5: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7II - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7 - 23: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7II - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7III - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB X - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer

Replacement Part: 607-CSN-2RU-T9H-ECO (Each)
Double black rubber sealed economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 7x19x6 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$72.41 $86.89
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 7x19x6 mm - Stainless Steel AISI 440C RB 15 All Models: Bearing - Stainless Bearing Shielded Option
RB X - 21: Bearing - Stainless Bearing Shielded Option

Replacement Part: S607-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 7x19x6 mm Unflanged - Stainless Steel AISI 440C Bearing

$5.59
105 Available Now -> Orders for more than 105 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 7x19x6 mm - Chrome Steel SAE 52100 RB 15 All Models: Bearing - Standard Bearing Sealed Option
RB X - 21: Bearing - Standard Bearing Sealed Option

Replacement Part: 607-2RS-MC3 (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 7x19x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.41
51 Available Now -> Orders for more than 51 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 7x19x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
Nova Rossi® RBC5BB - 28 4.6CC: BB 7-19-6
RB 15 Small BLOCK - 32: BB 7-19-6
RB 2.5cc 15: BB 7-19-6
RB 25 All Models: BB 7-19-6
RB 3.5cc 21: BB 7-19-6
RB C4 - 32: BB 7-19-6
RB C5 Buggy - 12: BB 7-19-6
RB C5 Rody - 15: BB 7-19-6
RB Concept V12 - C4: BB 7-19-6
RB Concept.21 WS7 - 21: BB 7-19-6
RB RB C6 - 21: BB 7-19-6
RB RB C6 - 23: BB 7-19-6
RB S5 - 21: BB 7-19-6
RB S7 EUROPA - 21: BB 7-19-6
RB S7II - 5: BB 7-19-6
RB WS7II - 12: BB 7-19-6
RB WS7III - 21: BB 7-19-6
Nova Rossi® RBC5BB - 28 4.6CC: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB 15 Small BLOCK - 32: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB 2.5cc 15: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB 25 All Models: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB 3.5cc 21: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB 32: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB All Models: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB C4 - 32: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB C5 Buggy - 12: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB C5 Rody - 15: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB Concept V12 - C4: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB Concept.21 WS7 - 21: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB RB C6 - 21: Bearing - High Speed Bearing - Polyamide Retainer
RB RB C6 - 23: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB S5 - 21: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB S7 EUROPA - 21: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB S7II - 5: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB WS7 - 21: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB WS7II - 12: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB WS7III - 21: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
RB X - 21: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer

Replacement Part: 607-Z-MC45-T9H-AF12-J (Each)
Single shielded high clearance bearing with a high speed polyamide retainer and light oil lubricant

Single Row Ball Bearings - 7x19x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$6.14
60 Available Now -> Orders for more than 60 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 7x19x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls - Replaces -
RB 15 Small BLOCK - 32: BB 7-19-6
RB Concept.21 WS7 - 21: BB 7-19-6
RB S5 - 21: BB 7-19-6
RB S7 EUROPA - 5: BB 7-19-6
RB S7II - 21: BB 7-19-6
RB WS7 - 23: BB 7-19-6
RB WS7II - 21: BB 7-19-6
RB WS7III - 21: BB 7-19-6
RB 15 All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 15 Small BLOCK - 32: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 32: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB Concept.21 WS7 - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S5 - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7 EUROPA - 5: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7II - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7 - 23: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7II - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7III - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB X - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer

Replacement Part: 607-CSN-T9H-ECO (Each)
Open economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 7x19x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$103.77
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 11x21x5 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
RB 15 Small BLOCK - 32: BB 11-21-5
RB 15 Small BLOCK - 32: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB 32: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB X - 21: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer

Replacement Part: MR2111-T9H-ECO (Each)
Open economy bearing with a high speed polyamide retainer

Single Row Ball Bearings - 11x21x5 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$34.95 $41.95
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 13x24x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls - Replaces -
RB 25 All Models: BB 13-24-6
RB X - 12: BB 13-24-6
RB X - 21: BB 13-24-6
RB 15 All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 25 All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB X - 12: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB X - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer

Replacement Part: MR2413-CSN-T9H-ECO (Each)
Open economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 13x24x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$76.59 $91.91
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 13x25x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls - Replaces -
RB 15 All Models: BB 13-25-6
RB Concept.21 WS7 - 21: BB 13-25-6
RB S5 - 21: BB 13-25-6
RB S7 EUROPA - 5: BB 13-25-6
RB S7II - 21: BB 13-25-6
RB WS7 - 12: BB 13-25-6
RB WS7 - 23: BB 13-25-6
RB WS7II - 21: BB 13-25-6
RB WS7III - 21: BB 13-25-6
RB 15 All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB Concept.21 WS7 - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S5 - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7 EUROPA - 5: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7II - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7 - 12: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7 - 23: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7II - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7III - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer

Replacement Part: MR2513-CSN-T9H-ECO (Each)
Open economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 13x25x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$100.32 $120.38
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 13x25x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
RB 25 All Models: BB 13-25-6
RB Concept.21 WS7 - 21: BB 13-25-6
RB S5 - 21: BB 13-25-6
RB S7 EUROPA - 21: BB 13-25-6
RB S7II - 5: BB 13-25-6
RB WS7II - 12: BB 13-25-6
RB WS7III - 21: BB 13-25-6
RB 25 All Models: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB Concept.21 WS7 - 21: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB S5 - 21: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB S7 EUROPA - 21: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB S7II - 5: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB WS7 - 21: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB WS7II - 12: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB WS7III - 21: Bearing - High Speed Economy Bearing - Polyamide Retainer

Replacement Part: MR2513-T9H-ECO (Each)
Open economy bearing with a high speed polyamide retainer

Single Row Ball Bearings - 13x25x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$56.05
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 13x24x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
RB 15 All Models: BB 13-24-6
RB 2.5cc 15: BB 13-24-6
RB X - 21: BB 13-24-6
RB 15 All Models: Bearing - High Speed Bearing - Polyamide Retainer
RB 2.5cc 15: Replacement Rear Bearing - High Speed Bearing - Polyamide Retainer
RB All Models: Bearing - High Speed Bearing - Polyamide Retainer
RB X - 21: Bearing - High Speed Bearing - Polyamide Retainer

Replacement Part: MR2413-C3-T9H (Each)
Open standard bearing with a high speed polyamide retainer

Single Row Ball Bearings - 13x24x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$6.86
20 Available Now -> Orders for more than 20 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 14x25.4x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
Nova Rossi® RBC5BB - 28 4.6CC: BB 14-25.4-6
RB 3.5cc 21: BB 14-25.4-6
RB C4 - 32: BB 14-25.4-6
RB C5 Buggy - 12: BB 14-25.4-6
RB C5 Rody - 15: BB 14-25.4-6
Nova Rossi® RBC5BB - 28 4.6CC: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB 3.5cc 21: Replacement Rear Bearing - High Speed Economy Bearing - Polyamide Retainer
RB C4 - 32: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB C5 Buggy - 12: Bearing - High Speed Economy Bearing - Polyamide Retainer
RB C5 Rody - 15: Bearing - High Speed Economy Bearing - Polyamide Retainer

Replacement Part: MR254-14-T9H-ECO (Each)
Open economy bearing with a high speed polyamide retainer

Single Row Ball Bearings - 14x25.4x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$43.86 $52.64
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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