Kyosho® CONCEPT 10 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
Single Row Ball Bearings - 3x6x2 mm - Stainless Steel AISI 440C - Replaces -
9400
14 Bearing - Stainless Bearing
Replacement Bearing - Stainless Bearing

Replacement Part: SMR63-MC3-AF12 (Each)
Open standard stainless steel bearing

Single Row Ball Bearings - 3x6x2 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.32
18 Available Now -> Orders for more than 18 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 3x6x2.5 mm - Chrome Steel SAE 52100 - Replaces -
9210, 100
Replacement Bearing - Standard Bearing

Replacement Part: MR63A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 3x6x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.86
28 Available Now -> Orders for more than 28 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 4-10-4
Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: MR104A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
72 Available Now -> Orders for more than 72 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 4-10-4
Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: MR104A-ZZ-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.32
25 (125 pcs) Available Now -> Orders for more than 25 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 4-10-4
Replacement Bearing - Economy Bearing Blue Sealed Option

Replacement Part: MR104A-2RB-ECO (PK-10)
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing

Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$20.00 $38.00
18 (180 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 4-10-4
Replacement Bearing - Economy Bearing Black Sealed Option

Replacement Part: MR104A-2RS-ECO (PK-2)
Double black rubber sealed economy bearing

Single Row Ball Bearings - 4x10x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$1.23 $1.47
Temporarily Out Of Stock -> Backorder now for delivery around Aug 13, 2026
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
2207
50 Bearing - Economy Bearing
Replacement Bearing - Economy Bearing

Replacement Part: MR84A-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 4x8x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.95
32 (160 pcs) Available Now -> Orders for more than 32 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 7x14x3.5 mm - Chrome Steel SAE 52100 - Replaces -
9180
45 Bearing - Economy Bearing
Replacement Bearing - Economy Bearing

Replacement Part: 687-ACO-ECO (Each)
Open economy bearing with light anti-rust lubricant

Single Row Ball Bearings - 7x14x3.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$25.77 $29.93
Temporarily Out Of Stock -> Backorder now for delivery around Aug 27, 2026
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Single Row Ball Bearings - 7x14x5 mm - Chrome Steel SAE 52100 - Replaces -
9075
BB 7-14-5
28 Bearing - Standard Bearing
Replacement Bearing - Standard Bearing

Replacement Part: 687A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 7x14x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.68
Temporarily Out Of Stock -> More due: Aug 12, 2026 -> Orders for more than 0 can be expected around Aug 19, 2026
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