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.

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

Replacement Parts Price Quantity
1074886 | 697-2RU-T9H-ECO (Each) --- 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: 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 Jul 16, 2026
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1074936 | 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: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Ofna® Force 12 Red Head - 21: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Ofna® Hyper.12 - 15: 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 Jul 16, 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: Bearing - Stainless Bearing Shielded Option
Ofna® Ultra LX COMP RTR: Bearing - Stainless Bearing Shielded Option
Ofna® Ultra LX Pro RTR: Bearing - Stainless Bearing Shielded Option
Ofna® 21 - 15 2.5CC: Bearing - Stainless Bearing Shielded Option
Ofna® Force 12 Red Head - 15 2.5CC: Bearing - Stainless Bearing
Ofna® Force 12 Red Head - 21: 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
99 Available Now -> Orders for more than 99 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 7x19x6 mm - Stainless Steel AISI 440C - Replaces -
Ofna® Hyper.12 - 21: BB 7-19-6
Ofna® Hyper.12 - 21: 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
158 Available Now -> Orders for more than 158 can be expected around Jul 08, 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 Jul 08, 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: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Ofna® Force 12 Red Head - 21: 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 Jul 16, 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: Bearing - Standard Bearing
Ofna® Hoar 4-WD Buggy: Bearing - Standard Bearing
Ofna® Pirate 1/8 Gas: Bearing - Standard Bearing Sealed Option
Ofna® Ultra GT: Bearing - Standard Bearing
Ofna® Ultra LX COMP RTR: Bearing - Standard Bearing Sealed Option
Ofna® Ultra LX Pro RTR: Bearing - Standard Bearing Sealed Option
Ofna® Ultra World 2: Bearing - Standard Bearing
Ofna® World GT: Bearing - Standard Bearing
Ofna® 21 - 15 2.5CC: Bearing - Standard Bearing Sealed Option
Ofna® Hyper.12 - 21: 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 Jul 08, 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: 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
Temporarily Out Of Stock -> More due: Jun 21, 2026 -> Orders for more than 0 can be expected around Jul 08, 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: 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
9 Available Now -> More due: Jun 21, 2026 -> Orders for more than 9 can be expected around Jul 08, 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 Jul 08, 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
78 Available Now -> Orders for more than 78 can be expected around Jul 08, 2026
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1097932 | 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

$4.68
10 Available Now -> Orders for more than 10 can be expected around Jul 11, 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

$3.50
16 Available Now -> Orders for more than 16 can be expected around Jul 11, 2026
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1104818 | 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® Maxx 3.5 - 12: BB 13-24-6
Ofna® 21 - 15 2.5CC: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Ofna® Maxx 3.5 - 12: 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 Jul 16, 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: Bearing - High Speed Bearing - Polyamide Retainer
Ofna® Maxx 3.5 - 12: 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 Jul 08, 2026
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