STS Replacement RC Nitro Engine Parts

A selection of replacement parts for STS. 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
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 -
STS 12 - 46: BB 7-19-6
STS 21-30 - 51: BB 7-19-6
STS 12 - 46: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
STS 21-30 - 51: 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 -
STS 12 - 46: BB 7-19-6
STS 12 - 46: 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 - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
STS 12 - 46: BB 7-19-6
STS 21-30 - 51: BB 7-19-6
STS 12 - 46: Replacement Front Bearing - High Speed Bearing - Polyamide Retainer
STS 21-30 - 51: Bearing - High Speed Bearing - Polyamide Retainer
STS 21-30 - 51: 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 -
STS 12 - 46: BB 7-19-6
STS 12 - 46: 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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1097932 | S6801-ZZ-ECO (Each) --- Single Row Ball Bearings - 12x21x5 mm Unflanged - Stainless Steel AISI 440C Bearing - Replaces -
STS 12 - 46: BB 12-21-5
STS 12 - 46: 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 -
STS 12 - 46: BB 12-21-5
STS 12 - 46: Replacement Bearing - Economy Bearing Shielded Option
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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Angular Contact Bearings - 12x24x6 mm - Chrome Steel SAE 52100 - High Speed Phenolic Cage - Replaces -
STS 21-30 - 51: BB 14-25-6
STS 21-30 - 51: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Phenolic Retainer
Deleted Item. Available while stocks last. Angular contact Abec 5 ceramic-hybrid bearing with a high speed phenolic retainer

7901-15-CSN-KC-U5-ECO (Each)
Deleted Item. Available while stocks last. Angular contact Abec 5 ceramic-hybrid bearing with a high speed phenolic retainer

Angular Contact Bearings - 12x24x6 mm Single Row Ball - Chrome Steel SAE 52100 - High Speed Phenolic Cage Bearing

$10.00 $19.00
1 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 14x25x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls - Replaces -
STS 21-30 - 51: BB 14-25-6
STS 21-30 - 51: Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer
Deleted Item. Available while stocks last.

MR2514-CSN-T9H-ECO (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 14x25x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$44.14 $136.14
22 Available Now -> Only the available quantity may be ordered online. No backorders.
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