Kyosho® CONCEPT 30 SX Replacement RC Helicopter Parts

A selection of replacement parts for Kyosho®. 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
- Replaces -
BB 3-6-2
Bearing - Standard Bearing
Open standard bearing with low-torque light oil lubricant

MR63-MC3-AF12 (PK-50)
Open standard bearing with low-torque light oil lubricant

Single Row Ball Bearings - 3x6x2 mm Unflanged - Chrome Steel SAE 52100 Bearing

$268.32 $321.98
Temporarily Out Of Stock -> Backorder now for delivery around Jul 08, 2026
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1043743 | T-0030-0080-G-BR (Each) --- Thrust Ball Bearings - 3x8x3.5 mm / 3.2 mm Grooved - Chrome Steel Bearing - Replaces -
BB 3-8-3.5
Thrust Bearing - Brass Retainer
Thrust bearing with 2 Grooved Washers and retainerd Balls

T-0030-0080-G-BR (Each)
Thrust bearing with 2 Grooved Washers and retainerd Balls

Thrust Ball Bearings - 3x8x3.5 mm / 3.2 mm Grooved - Chrome Steel Bearing

$35.68 $42.82
Temporarily Out Of Stock -> Backorder now for delivery around Jul 13, 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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Thrust Ball Bearings - 5x10x4 mm / 5.2 mm Grooved - Chrome Steel Thrust bearing with 2 Grooved Washers and retainerd Balls

T-0050-0100-G (Each)
Thrust bearing with 2 Grooved Washers and retainerd Balls

Thrust Ball Bearings - 5x10x4 mm / 5.2 mm Grooved - Chrome Steel Bearing

$9.41
27 Available Now -> Orders for more than 27 can be expected around Jul 08, 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 - 5x16x5 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-16-5
Bearing - Economy Bearing
Double shielded economy bearing

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

Single Row Ball Bearings - 5x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$2.86
18 (36 pcs) Available Now -> Orders for more than 18 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
BB 6-10-3
Bearing - Economy Bearing
Double shielded economy bearing

MR106A-ZZS-ECO (PK-10)
Double shielded economy bearing

Single Row Ball Bearings - 6x10x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$10.32
22 (220 pcs) Available Now -> Orders for more than 22 can be expected around Jul 02, 2026
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1065585 | SMR126-MC3-AF12 (PK-100) --- Single Row Ball Bearings - 6x12x3 mm Unflanged - Stainless Steel AISI 440C Bearing Open standard stainless steel bearing

SMR126-MC3-AF12 (PK-100)
Open standard stainless steel bearing

Single Row Ball Bearings - 6x12x3 mm Unflanged - Stainless Steel AISI 440C Bearing

$418.86 $502.64
Temporarily Out Of Stock -> Backorder now for delivery around Jul 08, 2026
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Single Row Ball Bearings - 8x14x3.5 mm - Chrome Steel SAE 52100 Deleted Item. Available while stocks last.

MR148-ACO-ECO (PK-5)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 8x14x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.06 $6.08
22 (110 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 8x14x3.5 mm - Stainless Steel AISI 440C - Replaces -
BB 8-14-3.5
Bearing - Stainless Bearing
Open standard stainless steel bearing

SMR148-MC3-AF12 (Each)
Open standard stainless steel bearing

Single Row Ball Bearings - 8x14x3.5 mm Unflanged - Stainless Steel AISI 440C Bearing

$3.32
78 Available Now -> Orders for more than 78 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 8x16x5 mm - Chrome Steel SAE 52100 - Replaces -
BB 8-16-5
Bearing - Economy Bearing
Double shielded economy bearing

688A-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 8x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.86
56 (280 pcs) Available Now -> Orders for more than 56 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 10x15x4 mm - Chrome Steel SAE 52100 Double shielded standard bearing

6700A-ZZS (Each)
Double shielded standard bearing

Single Row Ball Bearings - 10x15x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.23
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 - 12x18x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 12-18-4
Replacement Bearing - Standard Bearing Shielded Option
Double shielded standard bearing

6701-ZZS (Each)
Double shielded standard bearing

Single Row Ball Bearings - 12x18x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$6.86
66 Available Now -> Orders for more than 66 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 12x21x5 mm - Chrome Steel SAE 52100 - Replaces -
BB 12-21-5
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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