Kalt® B28-30 Replacement RC Helicopter Parts

A selection of replacement parts for Kalt®. 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 - 3x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 3-10-4
Bearing - Economy Bearing

Replacement Part: 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 - 5x10x3 mm - Stainless Steel AISI 440C - Replaces -
BB 5-10-3
10020236
Bearing - Stainless Bearing
Replacement Bearing - Stainless Bearing

Replacement Part: SMR105-MC3-JP6-AF12 (Each)
Open P6 precision bearing with low-torque cage and light oil lubricant

Single Row Ball Bearings - 5x10x3 mm Unflanged - Stainless Steel AISI 440C Bearing

$16.23
32 Available Now -> Orders for more than 32 can be expected around Jul 15, 2026
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Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-10-4
10020246
Bearing - Standard Bearing
Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 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 - 5x14x5 mm - Chrome Steel SAE 52100 - Replaces -
10020016
Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 605-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 5x14x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.77
87 Available Now -> Orders for more than 87 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

Replacement Part: 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 - 7x13x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 7-13-4
Bearing - Standard Bearing

Replacement Part: MR137A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 7x13x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.77
2 Available Now -> Orders for more than 2 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
10020126
Bearing - Economy Bearing
Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: 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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