Miniature Aircraft® X-Cell 30-40 Replacement RC Helicopter Parts

A selection of replacement parts for Miniature Aircraft®. 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 - 3x7x3 mm - Chrome Steel SAE 52100 - Replaces -
0725 and 0159 (16 each)
BB 3-7-3
BB 3-7-3
Replacement Bearing - Standard Bearing Shielded Option
Bearing - Standard Bearing
Bearing - Standard Bearing

Replacement Part: 683A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 3x7x3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.86
116 Available Now -> Orders for more than 116 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 3x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 3-10-4
0301
BB 3-10-4
BB 3-10-4
Bearing - Economy Bearing
Replacement Bearing - Economy Bearing Shielded Option
Bearing - Economy Bearing
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

$3.77
201 (402 pcs) Available Now -> Orders for more than 201 can be expected around Jun 12, 2026
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Thrust Ball Bearings - 4x10x4 mm / 4.2 mm Grooved - Chrome Steel - Replaces -
0457
BB 4-10-4
Thrust Bearing - Brass Retainer
Thrust Bearing - Brass Retainer

Replacement Part: T-0040-0100-G-BR (Each)
Thrust bearing with 2 Grooved Washers and retainerd Balls

Thrust Ball Bearings - 4x10x4 mm / 4.2 mm Grooved - Chrome Steel Bearing

$60.41
Temporarily Out Of Stock -> Backorder now for delivery around Jun 23, 2026
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Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100 - Replaces -
0299
BB 4-10-4
BB 4-10-4
Replacement Bearing - Economy Bearing Shielded Option
Bearing - Economy Bearing
Bearing - Economy Bearing

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

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

$5.59
27 (135 pcs) Available Now -> Orders for more than 27 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
Replacement Part: MR104A-ZZ-MC3 (Each)
Double shielded standard bearing

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

$3.59
77 Available Now -> Orders for more than 77 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 4x10x4 mm - Chrome Steel SAE 52100
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 - 5x13x4 mm - Chrome Steel SAE 52100 - Replaces -
0425
BB 5-13-4
Replacement Bearing - Economy Bearing Shielded Option
Bearing - Economy Bearing

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

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

$5.23
436 (2180 pcs) Available Now -> Orders for more than 436 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 5x16x5 mm - Chrome Steel SAE 52100 - Replaces -
0235
BB 5-16-5
Replacement Bearing - Economy Bearing Shielded Option
Bearing - Economy Bearing

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

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

$2.95
18 (36 pcs) Available Now -> Orders for more than 18 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 6x10x2.5 mm - Chrome Steel SAE 52100 - Replaces -
0439
BB 6-10-2.5
Replacement Bearing - Standard Bearing
Bearing - Standard Bearing

Replacement Part: MR106-MC3-AF12 (Each)
Open standard bearing with low-torque light oil lubricant

Single Row Ball Bearings - 6x10x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$1.41 $2.80
2 Available Now -> Only the available quantity may be ordered online. No backorders.
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Thrust Ball Bearings - 6x14x5 mm / 6.2 mm Grooved - Chrome Steel - Replaces -
0321
BB 6-14-5
Thrust Bearing - Brass Retainer
Thrust Bearing - Brass Retainer

Replacement Part: T-0060-0140-G-BR (Each)
Thrust bearing with 2 Grooved Washers with caged balls

Thrust Ball Bearings - 6x14x5 mm / 6.2 mm Grooved - Chrome Steel Bearing

$5.59
74 Available Now -> Orders for more than 74 can be expected around Sep 12, 2026
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Single Row Ball Bearings - 8x16x5 mm - Chrome Steel SAE 52100 - Replaces -
0319
BB 8-16-5
Replacement Bearing - Economy Bearing Shielded Option
Bearing - Economy Bearing

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

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

$5.05
56 (280 pcs) Available Now -> Orders for more than 56 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 9.525x15.875x3.969 mm - Chrome Steel SAE 52100 - Replaces -
BB 9.525-15.875-3.969
Bearing - Economy Bearing

Replacement Part: R11012-ZZS-ECO (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 9.525x15.875x3.969 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.00 $6.00
93 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 10x19x5 mm - Chrome Steel SAE 52100 - Replaces -
0183
BB 10-19-5
Replacement Bearing - Standard Bearing Shielded Option
Replacement Bearing - Standard Bearing

Replacement Part: 6800-ZZ (Each)
Double shielded standard bearing

Single Row Ball Bearings - 10x19x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
78 Available Now -> Orders for more than 78 can be expected around Jun 18, 2026
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