Ofna® Replacement RC Nitro Engine Parts

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

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Replacement Parts Price Quantity
Single Row Ball Bearings - 7x19x6 mm - Stainless Steel AISI 440C - Replaces -
Ofna® Hyper.12 - 21: BB 7-19-6
Ofna® Hyper.12 - 21: Replacement Bearing - Stainless Bearing Sealed Option
Double black rubber sealed standard stainless steel bearing

S607-2RS-MC3 (Each)
Double black rubber sealed standard stainless steel bearing

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

$7.41
88 Available Now -> Orders for more than 88 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 7x19x6 mm - Stainless Steel AISI 440C - Replaces -
Ofna® Pirate 1/8 Gas: BB 7-19-6
Ofna® Ultra LX COMP RTR: BB 7-19-6
Ofna® Ultra LX Pro RTR: BB 7-19-6
Ofna® 21 - 15 2.5CC: BB 7-19-6
Ofna® Force 12 Red Head - 15 2.5CC: BB 7-19-6
Ofna® Force 12 Red Head - 21: BB 7-19-6
Ofna® Pirate 1/8 Gas: Replacement Bearing - Stainless Bearing Shielded Option
Ofna® Ultra LX COMP RTR: Replacement Bearing - Stainless Bearing Shielded Option
Ofna® Ultra LX Pro RTR: Replacement Bearing - Stainless Bearing Shielded Option
Ofna® 21 - 15 2.5CC: Replacement Bearing - Stainless Bearing Shielded Option
Ofna® Force 12 Red Head - 15 2.5CC: Replacement Bearing - Stainless Bearing
Ofna® Force 12 Red Head - 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 -
Ofna® 21 - 15 2.5CC: BB 7-19-6
Ofna® Force 12 Red Head - 21: BB 7-19-6
Ofna® Hyper.12 - 15: BB 7-19-6
Ofna® Hyper.12 - 21: BB 7-19-6
Ofna® 21 - 15 2.5CC: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
Ofna® Force 12 Red Head - 21: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
Ofna® Hyper.12 - 15: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
Ofna® Hyper.12 - 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 -
Ofna® 21 - 15 2.5CC: BB 7-19-6
Ofna® Force 12 Red Head - 21: BB 7-19-6
Ofna® 21 - 15 2.5CC: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Ofna® Force 12 Red Head - 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 - Replaces -
Ofna® GT LX: BB 7-19-6
Ofna® Hoar 4-WD Buggy: BB 7-19-6
Ofna® Pirate 1/8 Gas: BB 7-19-6
Ofna® Ultra GT: BB 7-19-6
Ofna® Ultra LX COMP RTR: BB 7-19-6
Ofna® Ultra LX Pro RTR: BB 7-19-6
Ofna® Ultra World 2: BB 7-19-6
Ofna® World GT: BB 7-19-6
Ofna® 21 - 15 2.5CC: BB 7-19-6
Ofna® Hyper.12 - 21: BB 7-19-6
Ofna® GT LX: Replacement Bearing - Standard Bearing
Ofna® Hoar 4-WD Buggy: Replacement Bearing - Standard Bearing
Ofna® Pirate 1/8 Gas: Replacement Bearing - Standard Bearing Sealed Option
Ofna® Ultra GT: Replacement Bearing - Standard Bearing
Ofna® Ultra LX COMP RTR: Replacement Bearing - Standard Bearing Sealed Option
Ofna® Ultra LX Pro RTR: Replacement Bearing - Standard Bearing Sealed Option
Ofna® Ultra World 2: Replacement Bearing - Standard Bearing
Ofna® World GT: Replacement Bearing - Standard Bearing
Ofna® 21 - 15 2.5CC: Replacement Bearing - Standard Bearing Sealed Option
Ofna® Hyper.12 - 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 -
Ofna® Maxx 3.5 - 12: BB 7-17-5
Ofna® Maxx 3.5 - 12: 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 -
Ofna® 21 - 15 2.5CC: BB 7-19-6
Ofna® Force 12 Red Head - 21: BB 7-19-6
Ofna® Hyper.12 - 15: BB 7-19-6
Ofna® 21 - 15 2.5CC: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Ofna® Force 12 Red Head - 21: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Ofna® Hyper.12 - 15: 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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Single Row Ball Bearings - 9x17x4 mm - Chrome Steel SAE 52100 - Replaces -
Ofna® 15 2.5CC All Models: BB 9-17-4
Ofna® 15 2.5CC All Models: Replacement Bearing - Standard Bearing
Open standard bearing with low-torque light oil lubricant

689-MC3-AF12 (Each)
Open standard bearing with low-torque light oil lubricant

Single Row Ball Bearings - 9x17x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.77
200 Available Now -> Orders for more than 200 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 9x17x4 mm - Stainless Steel AISI 440C - Replaces -
Ofna® 15 2.5CC All Models: BB 9-17-4
Ofna® 15 2.5CC All Models: Replacement Bearing - Stainless Bearing
Open standard stainless steel bearing

S689-MC3-AF12 (Each)
Open standard stainless steel bearing

Single Row Ball Bearings - 9x17x4 mm Unflanged - Stainless Steel AISI 440C Bearing

$3.77
109 Available Now -> Orders for more than 109 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 10x19x5 mm - Stainless Steel AISI 440C - Replaces -
Ofna® Hyper.12 - 21: BB 10-19-5
Ofna® Hyper.12 - 21: Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

S6800-ZZ (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 10x19x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$9.77
31 Available Now -> Orders for more than 31 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 10x19x5 mm - Chrome Steel SAE 52100 - Replaces -
Ofna® Hyper.12 - 21: BB 10-19-5
Ofna® Hyper.12 - 21: Replacement Bearing - Standard Bearing Shielded Option
Double shielded standard bearing

6800-ZZ (Each)
Double shielded standard bearing

Single Row Ball Bearings - 10x19x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
70 Available Now -> Orders for more than 70 can be expected around Aug 19, 2026
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1104528 | S6801-ZZ-ECO (Each) --- Single Row Ball Bearings - 12x21x5 mm Unflanged - Stainless Steel AISI 440C Bearing - Replaces -
Ofna® Force 12 Red Head - 21: BB 12-21-5
Ofna® Force 12 Red Head - 21: Replacement Bearing - Economy Bearing Shielded Option

S6801-ZZ-ECO (Each)

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

$4.59
10 Available Now -> Orders for more than 10 can be expected around Aug 22, 2026
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Single Row Ball Bearings - 12x21x5 mm - Chrome Steel SAE 52100 - Replaces -
Ofna® Force 12 Red Head - 15 2.5CC: BB 12-21-5
Ofna® Force 12 Red Head - 15 2.5CC: Replacement Bearing - Economy Bearing
Double shielded economy bearing

6801-ZZ-ECO (Each)
Double shielded economy bearing

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

$3.32
10 Available Now -> Orders for more than 10 can be expected around Aug 22, 2026
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Single Row Ball Bearings - 13x24x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
Ofna® 21 - 15 2.5CC: BB 13-24-6
Ofna® Maxx 3.5 - 12: BB 13-24-6
Ofna® 21 - 15 2.5CC: Replacement Bearing - High Speed Bearing - Polyamide Retainer
Ofna® Maxx 3.5 - 12: 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 -
Ofna® 21 - 15 2.5CC: BB 13-24-6
Ofna® 21 - 15 2.5CC: Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Ofna® Maxx 3.5 - 12: 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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