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 - 7x19x6 mm - Stainless Steel AISI 440C RB 15 All Models: Replacement Bearing - Stainless Bearing Shielded Option
RB X - 21: Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

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

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

$5.59
4 Available Now -> Orders for more than 4 can be expected around Aug 19, 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: Replacement 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
Single shielded high clearance bearing with a high speed polyamide retainer and light oil lubricant

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 Aug 19, 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: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 15 Small BLOCK - 32: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 32: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB Concept.21 WS7 - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S5 - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7 EUROPA - 5: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7II - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7 - 23: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7II - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7III - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB X - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Open economy ceramic-hybrid bearing with a high speed polyamide retainer

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 Aug 27, 2026
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Single Row Ball Bearings - 7x19x6 mm - Chrome Steel SAE 52100 RB 15 All Models: Replacement Bearing - Standard Bearing Sealed Option
RB X - 21: Replacement Bearing - Standard Bearing Sealed Option
Double rubber sealed standard bearing

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 Aug 19, 2026
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Single Row Ball Bearings - 7x17x5 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing - Replaces -
RB V12 Rody - 21: BB 7-17-5
RB V12 Rody - 21: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
Double lightly sealed economy bearing with a high speed polyamide retainer

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 Aug 27, 2026
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1081514 | 607-CSN-2RU-T9H-ECO (Each) --- Single Row Ball Bearings - 7x19x6 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing - 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: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 15 Small BLOCK - 32: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 25 All Models: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 32: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB All Models: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB Concept.21 WS7 - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S5 - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7 EUROPA - 5: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7II - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7 - 23: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7II - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7III - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB X - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Double black rubber sealed economy ceramic-hybrid bearing with a high speed polyamide retainer

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 Aug 27, 2026
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1100846 | MR2111-T9H-ECO (Each) --- Single Row Ball Bearings - 11x21x5 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing - 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
Open economy bearing with a high speed polyamide retainer

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 Aug 27, 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: Replacement Bearing - High Speed Bearing - Polyamide Retainer
RB 2.5cc 15: Replacement Rear Bearing - High Speed Bearing - Polyamide Retainer
RB All Models: Replacement Bearing - High Speed Bearing - Polyamide Retainer
RB X - 21: Replacement Bearing - High Speed Bearing - Polyamide Retainer
Open standard bearing with a high speed polyamide retainer

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 Aug 19, 2026
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1111399 | MR2413-CSN-T9H-ECO (Each) --- Single Row Ball Bearings - 13x24x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing - 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: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB 25 All Models: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB All Models: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB X - 12: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB X - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Open economy ceramic-hybrid bearing with a high speed polyamide retainer

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 Aug 27, 2026
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1111409 | MR2513-T9H-ECO (Each) --- Single Row Ball Bearings - 13x25x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing - 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: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB Concept.21 WS7 - 21: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB S5 - 21: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB S7 EUROPA - 21: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB S7II - 5: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB WS7 - 21: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB WS7II - 12: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB WS7III - 21: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
Open economy bearing with a high speed polyamide retainer

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 Aug 27, 2026
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1111410 | MR2513-CSN-T9H-ECO (Each) --- Single Row Ball Bearings - 13x25x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing - 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: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB Concept.21 WS7 - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S5 - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7 EUROPA - 5: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB S7II - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7 - 12: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7 - 23: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7II - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
RB WS7III - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Open economy ceramic-hybrid bearing with a high speed polyamide retainer

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 Aug 27, 2026
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- 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: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB 3.5cc 21: Replacement Rear Bearing - High Speed Economy Bearing - Polyamide Retainer
RB C4 - 32: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB C5 Buggy - 12: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
RB C5 Rody - 15: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
Open economy bearing with a high speed polyamide retainer

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 Aug 27, 2026
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