Kyosho® Blade Runner Replacement RC Boat 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 - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
BB 4-8-3
Bearing - Economy Bearing Shielded Option
Double shielded economy bearing

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

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

$3.95
33 (165 pcs) Available Now -> Orders for more than 33 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 - Economy Bearing Shielded Option
Double shielded economy bearing

MR105A-ZZS-ECO (PK-5)
Double shielded economy bearing

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

$9.32
63 (315 pcs) Available Now -> Orders for more than 63 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 - Economy Bearing Sealed Option
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing

MR105A-2RB-ECO (PK-5)
Deleted Item. Available while stocks last. Double blue rubber sealed economy bearing

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

$4.50 $8.55
77 (385 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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