Nelson Replacement RC Nitro Engine Parts

A selection of replacement parts for Nelson. 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 - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls - Replaces -
Nelson 45 All Models: BB 6.35-15.88-4.98
Nelson Side Exhaust - 36: BB 6.35-15.88-4.98
Nelson 45 All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Nelson 45 All Models: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Nelson Side Exhaust - 36: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer

Replacement Part: R4-CSN-T9H-ACO-ECO (Each)
Double shielded ceramic-hybrid bearing with high speed polyamide retainer and light anti-rust lubricant

Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$66.05 $79.25
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 6.35x15.875x4.978 mm - Stainless Steel AISI 440C - Replaces -
Nelson 45 All Models: BB 6.35-15.88-4.98
Nelson Side Exhaust - 91: BB 6.35-15.88-4.98
Nelson 45 All Models: Bearing - Stainless Bearing Shielded Option
Nelson Side Exhaust - 91: Bearing - Stainless Bearing Shielded Option

Replacement Part: SR4-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.23
40 Available Now -> Orders for more than 40 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 6.35x15.875x4.978 mm - Stainless Steel AISI 440C - Replaces -
Nelson 45 All Models: BB 6.35-15.88-4.98
Nelson Side Exhaust - 36: BB 6.35-15.88-4.98
Nelson 45 All Models: Bearing - Stainless Bearing Sealed Option
Nelson Side Exhaust - 36: Bearing - Stainless Bearing Sealed Option

Replacement Part: SR4-2RS-MC3 (Each)
Double black rubber sealed standard stainless steel bearing

Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.14
65 Available Now -> Orders for more than 65 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100 - Replaces -
Nelson 45 All Models: BB 6.35-15.88-4.98
Nelson 45 All Models: Bearing - Standard Bearing Sealed Option

Replacement Part: R4-2RS-MC3 (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.77
239 Available Now -> Orders for more than 239 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 6.35x15.875x4.978 mm - Chrome Steel SAE 52100 - Replaces -
Nelson 45 All Models: BB 6.35-15.88-4.98
Nelson Side Exhaust - 91: BB 6.35-15.88-4.98
Nelson 45 All Models: Bearing - Standard Bearing Shielded Option
Nelson Side Exhaust - 91: Bearing - Standard Bearing Shielded Option

Replacement Part: R4-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 6.35x15.875x4.978 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.95
165 Available Now -> Orders for more than 165 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 8x19x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Nelson 12: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Nelson 65 All Models: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer

Replacement Part: 698-CSN-T9H-ECO (Each)
Open economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 8x19x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$68.41 $82.09
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 8x19x6 mm - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls Nelson 12: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Nelson 45 - 45: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Nelson 65 All Models: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Nelson Quickie - 91: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer

Replacement Part: 698-CSN-2RU-T9H-ECO (Each)
Double black rubber sealed economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 8x19x6 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$31.77 $38.13
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 8x19x6 mm - Stainless Steel AISI 440C - Replaces -
Nelson 15 All Models: BB 8-19-6
Nelson 15 All Models: Bearing - Stainless Bearing Sealed Option
Nelson 40: Bearing - Stainless Bearing Sealed Option

Replacement Part: S698-2RS-MC3 (Each)
Double black rubber sealed standard stainless steel bearing

Single Row Ball Bearings - 8x19x6 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.14
65 Available Now -> Orders for more than 65 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 8x19x6 mm - Stainless Steel AISI 440C - Replaces -
Nelson 15 All Models: BB 8-19-6
Nelson 15 All Models: Bearing - Stainless Bearing Shielded Option
Nelson 40: Bearing - Stainless Bearing Shielded Option

Replacement Part: S698-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 8x19x6 mm Unflanged - Stainless Steel AISI 440C Bearing

$7.86
81 Available Now -> Orders for more than 81 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 8x19x6 mm - Chrome Steel SAE 52100 - Replaces -
Nelson 45 - 12: BB 8-19-6
Nelson Quickie - 75: BB 8-19-6
Nelson 15 All Models: Bearing - Standard Bearing Shielded Option
Nelson 40: Bearing - Standard Bearing Shielded Option
Nelson 45 - 12: Bearing - Standard Bearing Shielded Option
Nelson Quickie - 75: Bearing - Standard Bearing

Replacement Part: 698-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 8x19x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.05
105 Available Now -> Orders for more than 105 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 8x19x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
Nelson 15 All Models: BB 8-19-6
Nelson 45 - 12: BB 8-19-6
Nelson Quickie - 91: BB 8-19-6
Nelson 15 All Models: Bearing - High Speed Bearing - Polyamide Retainer
Nelson 40: Bearing - High Speed Bearing - Polyamide Retainer
Nelson 45 - 12: Bearing - High Speed Bearing - Polyamide Retainer
Nelson 7.5 - 45: Front Bearing - High Speed Bearing - Polyamide Retainer
Nelson Quickie - 91: Bearing - High Speed Bearing - Polyamide Retainer

Replacement Part: 698-Z-MC45-T9H-AF12 (Each)
Deleted Item. Available while stocks last. Single shielded bearing with high speed polyamide retainer and light oil lubricant

Single Row Ball Bearings - 8x19x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$8.00 $15.20
300 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 9.525x22.225x5.537 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls - Replaces -
Nelson Combat - 75: BB 9.53-22.23-5.54
Nelson Combat - 75: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer

Replacement Part: R6-CSN-T9H-ECO (Each)
Open economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 9.525x22.225x5.556 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$66.77 $80.13
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 9.525x22.225x5.556 mm - Chrome Steel SAE 52100 - Replaces -
Nelson 45 All Models: BB 9.53-22.23-5.56
Nelson 65 All Models: BB 9.53-22.23-5.56
Nelson Combat - 75: BB 9.53-22.23-5.56
Nelson 45 All Models: Bearing - Standard Bearing
Nelson 65 All Models: Bearing - Standard Bearing
Nelson Combat - 75: Bearing - Standard Bearing

Replacement Part: R6-MC3-AF12 (PK-2)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 9.525x22.225x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.86 $6.74
8 (16 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
View Entire Category:
Single Row Ball Bearings - 9.525x22.225x5.556 mm - Chrome Steel SAE 52100 - Replaces -
Nelson 45 All Models: BB 9.53-22.23-5.56
Nelson 65 All Models: BB 9.53-22.23-5.56
Nelson Combat - 75: BB 9.53-22.23-5.56
Nelson 45 All Models: Bearing - Economy Bearing Sealed Option
Nelson 65 All Models: Bearing - Economy Bearing Sealed Option
Nelson Combat - 75: Bearing - Economy Bearing Sealed Option

Replacement Part: R6-2RS-ECO (Each)
Double black rubber sealed economy bearing with a NON-ISO width

Single Row Ball Bearings - 9.525x22.225x5.556 mm Unflanged - Chrome Steel SAE 52100 Bearing

$26.86
20 Available Now -> Orders for more than 20 can be expected around Jun 26, 2026
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Single Row Ball Bearings - 12x24x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage Nelson 45 All Models: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer Sealed Option

Replacement Part: 6901-2RS-T9H-ECO (Each)
Double black rubber sealed economy bearing with a high speed polyamide retainer

Single Row Ball Bearings - 12x24x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$33.95 $40.75
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 12x28x8 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Nelson 12: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer Shielded Option
Nelson 15 All Models: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer Shielded Option
Nelson 40: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer Shielded Option

Replacement Part: 6001-CSN-ZZ-T9H-ECO (Each)
Double shielded economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 12x28x8 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$59.23 $71.07
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 12x21x5 mm - Stainless Steel AISI 440C - Replaces -
Nelson Side Exhaust - 36: BB 12-21-5
Nelson Side Exhaust - 36: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: S6801-ZZ-ECO (Each)

Single Row Ball Bearings - 12x21x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.86
10 Available Now -> Orders for more than 10 can be expected around Jun 21, 2026
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Single Row Ball Bearings - 12x21x5 mm - Chrome Steel SAE 52100 - Replaces -
Nelson Side Exhaust - 91: BB 12-21-5
Nelson Side Exhaust - 91: Replacement Bearing - Economy Bearing

Replacement Part: 6801-ZZ-ECO (Each)
Double shielded economy bearing

Single Row Ball Bearings - 12x21x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
16 Available Now -> Orders for more than 16 can be expected around Jun 21, 2026
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Single Row Ball Bearings - 12x24x6 mm - Stainless Steel AISI 440C Nelson 45 All Models: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: S6901-ZZ (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 12x24x6 mm Unflanged - Stainless Steel AISI 440C Bearing

$8.14 $9.76
1 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 12x24x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls - Replaces -
Nelson 45 All Models: BB 12-24-6
Nelson 45 All Models: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer

Replacement Part: 6901-CSN-2RU-T9H-ECO (Each)
Double black rubber sealed economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 12x24x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$122.32
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 12x28x8 mm - Stainless Steel AISI 440C - Replaces -
Nelson 15 All Models: BB 12-28-8
Nelson 12: Bearing - Economy Bearing Shielded Option
Nelson 15 All Models: Bearing - Economy Bearing Shielded Option
Nelson 40: Bearing - Economy Bearing Shielded Option

Replacement Part: S6001-ZZ-ECO (Each)
Double shielded economy stainless steel bearing

Single Row Ball Bearings - 12x28x8 mm Unflanged - Stainless Steel AISI 440C Bearing

$5.68
6 Available Now -> Orders for more than 6 can be expected around Jun 21, 2026
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Single Row Ball Bearings - 12x28x8 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
Nelson 7.5 - 45: BB 12-28-8
Nelson 7.5 - 45: Replacement Rear Bearing - High Speed Bearing - Polyamide Retainer

Replacement Part: 6001-Z-C3-T9H-AF12-E (Each)
Deleted Item. Available while stocks last. Single shielded bearing with high speed polyamide retainer and light oil lubricant

Single Row Ball Bearings - 12x28x8 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$35.00 $66.50
4 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 17x26x5 mm - Chrome Steel SAE 52100 - Replaces -
Nelson Combat - 75: BB 17-26-5
Nelson Combat - 75: Bearing - Standard Bearing

Replacement Part: 6803-ZZ (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 17x26x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.00 $8.67
5 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 17x30x7 mm - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls - Replaces -
Nelson 45 All Models: BB 17-30-7
Nelson 75 All Models: BB 17-30-7
Nelson 45 All Models: Bearing - High Speed Ceramic-Hybrid Bearing - Polyamide Retainer Sealed Option
Nelson 75 All Models: Bearing - High Speed Ceramic-Hybrid Bearing - Polyamide Retainer Sealed Option

Replacement Part: S6903-CSN-2RS-T9H (PK-100)
Double sealed ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 17x30x7 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$1,195.77 $1,434.93
Temporarily Out Of Stock -> Backorder now for delivery around Jul 20, 2026
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Single Row Ball Bearings - 17x30x7 mm - Chrome Steel SAE 52100 - Replaces -
Nelson 45 - 12: BB 17-30-7
Nelson 45 All Models: BB 17-30-7
Nelson 65 All Models: BB 17-30-7
Nelson Quickie - 75: BB 17-30-7
Nelson 45 - 12: Bearing - Standard Bearing Shielded Option
Nelson 45 All Models: Bearing - Standard Bearing Shielded Option
Nelson 65 All Models: Bearing - Standard Bearing Shielded Option
Nelson Quickie - 75: Bearing - Standard Bearing Shielded Option

Replacement Part: 6903-ZZ (Each)
Double shielded standard bearing

Single Row Ball Bearings - 17x30x7 mm Unflanged - Chrome Steel SAE 52100 Bearing

$14.50 $17.40
Temporarily Out Of Stock -> Backorder now for delivery around May 26, 2026
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