JR Ergo 30/46 Upgrade Kit Replacement RC Helicopter Parts

A selection of replacement parts for JR. 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 - 3x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 3-10-4
Bearing - Economy Bearing
Double shielded economy bearing

623-ZZS-ECO (PK-2)
Double shielded economy bearing

Single Row Ball Bearings - 3x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.68
201 (402 pcs) Available Now -> Orders for more than 201 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-10-4
Bearing - Standard Bearing
Double shielded standard bearing

MR105A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 5x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.77
419 Available Now -> Orders for more than 419 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 5x10x4 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

SMR105A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 5x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing

$6.23
47 Available Now -> Orders for more than 47 can be expected around Jul 08, 2026
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Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Double shielded economy ceramic-hybrid stainless steel bearing

S695-CSN-ZZS-ECO (Each)
Double shielded economy ceramic-hybrid stainless steel bearing

Single Row Ball Bearings - 5x13x4 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing

$21.14 $25.36
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Single Row Ball Bearings - 5x13x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-13-4
Bearing - Economy Bearing
Double shielded economy bearing

695-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 5x13x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.05
436 (2180 pcs) Available Now -> Orders for more than 436 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 5x19x6 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

S635-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 5x19x6 mm Unflanged - Stainless Steel AISI 440C Bearing

$6.32
34 Available Now -> Orders for more than 34 can be expected around Jul 08, 2026
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One Way Bearings - 6x10x12 mm - Chrome Steel - Replaces -
BB 6-10-12
Roller Clutch Bearing - One Way Direction
One way direction

OW-0060-0100-0120-R (Each)
One way direction

One Way Bearings - 6x10x12 mm Roller - Chrome Steel Bearing

$5.86
56 Available Now -> Orders for more than 56 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 6x19x6 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

S626-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 6x19x6 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.05
78 Available Now -> Orders for more than 78 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 6x19x6 mm - Chrome Steel SAE 52100 - Replaces -
BB 6-19-6
Bearing - Economy Bearing
Double shielded economy bearing

626-ZZ-ECO (PK-10)
Double shielded economy bearing

Single Row Ball Bearings - 6x19x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$17.41
31 (310 pcs) Available Now -> Orders for more than 31 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 8x19x6 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

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

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

$7.86
79 Available Now -> Orders for more than 79 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 8x19x6 mm - Chrome Steel SAE 52100 - Replaces -
BB 8-19-6
Bearing - Economy Bearing
Double shielded economy bearing

698-ZZ-ECO (PK-2)
Double shielded economy bearing

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

$4.23
27 (54 pcs) Available Now -> Orders for more than 27 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 10x19x7 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing with NON-ISO Width

S6800B-ZZ (Each)
Double shielded standard stainless steel bearing with NON-ISO Width

Single Row Ball Bearings - 10x19x7 mm Unflanged - Stainless Steel AISI 440C Bearing

$19.23
Temporarily Out Of Stock -> More due: Jul 07, 2026 -> Orders for more than 0 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 10x19x7 mm - Chrome Steel SAE 52100 - Replaces -
BB 10-19-7
Replacement Bearing - Standard Bearing Shielded Option
Double shielded standard bearing, non-ISO width

6800B-ZZ (Each)
Double shielded standard bearing, non-ISO width

Single Row Ball Bearings - 10x19x7 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.95
24 Available Now -> Orders for more than 24 can be expected around Jul 08, 2026
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