Hirobo® Lepton EX Replacement RC Helicopter Parts

A selection of replacement parts for Hirobo®. 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 - 2x5x2.3 mm - Stainless Steel AISI 440C - Replaces -
BB 2-5-2.3
Replacement Bearing - Stainless Flanged Bearing Shielded Option

Replacement Part: SF682A-ZZ-MC3-JP6 (PK-50)

Single Row Ball Bearings - 2x5x2.3 mm Flanged - Stainless Steel AISI 440C Bearing

$415.50 $877.86
Temporarily Out Of Stock -> Backorder now for delivery around Jun 18, 2026
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Single Row Ball Bearings - 2x5x2.3 mm - Chrome Steel SAE 52100 - Replaces -
BB 2-5-2.30
Bearing - Economy Bearing

Replacement Part: 682A-ZZS-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 2x5x2.3 mm Unflanged - Chrome Steel SAE 52100 Bearing

$6.86
13 (65 pcs) Available Now -> Orders for more than 13 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 2x5x2.3 mm - Stainless Steel AISI 440C - Replaces -
BB 2-5-2.30
Replacement Bearing - Stainless Flanged Economy Bearing Shielded Option

Replacement Part: SF682A-ZZ-ECO (Each)
Double shielded flanged stainless steel bearing

Single Row Ball Bearings - 2x5x2.3 mm Flanged - Stainless Steel AISI 440C Bearing

$9.77
1 Available Now -> Orders for more than 1 can be expected around Jun 21, 2026
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Single Row Ball Bearings - 3x6x2.5 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls - Replaces -
BB 3-6-2.5
Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: SFMR63A-CSN-ZZ-ECO (Each)
Double shielded flanged economy ceramic-hybrid stainless steel bearing

Single Row Ball Bearings - 3x6x2.5 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing

$21.77 $43.98
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: S693A-CSN-ZZ-ECO (Each)
Double shielded economy ceramic-hybrid stainless steel bearing

Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing

$19.05 $22.85
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 3x6x2.5 mm - Stainless Steel AISI 440C - Replaces -
BB 3-6-2.5
Replacement Bearing - Stainless Flanged Bearing Shielded Option

Replacement Part: SFMR63A-ZZ-MC3 (Each)
Double shielded flanged stainless steel bearing

Single Row Ball Bearings - 3x6x2.5 mm Flanged - Stainless Steel AISI 440C Bearing

$2.95 $8.22
1 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 3-8-4
Bearing - Standard Bearing

Replacement Part: 693A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 3x8x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.23
158 Available Now -> Orders for more than 158 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C - Replaces -
BB 4-8-3
Replacement Bearing - Stainless Flanged Bearing Shielded Option

Replacement Part: SFMR84A-ZZ-MC3 (Each)
Double shielded flanged stainless steel bearing

Single Row Ball Bearings - 4x8x3 mm Flanged - Stainless Steel AISI 440C Bearing

$9.95
Temporarily Out Of Stock -> More due: Jun 10, 2026 -> Orders for more than 0 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
BB 4-8-3
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

$4.14
43 (215 pcs) Available Now -> Orders for more than 43 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: SMR84A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 4x8x3 mm Unflanged - Stainless Steel AISI 440C Bearing

$6.86
163 Available Now -> Orders for more than 163 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-10-4
Bearing - Standard Bearing

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 Jun 18, 2026
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Thrust Ball Bearings - 5x10x4 mm / 5.2 mm Grooved - Chrome Steel - Replaces -
BB 5-10-4
Thrust Bearing - Steel Retainer

Replacement Part: 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 Jun 18, 2026
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Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
BB 6-10-3
Bearing - Economy Bearing

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

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

$10.77
22 (220 pcs) Available Now -> Orders for more than 22 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 6x10x3 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Replacement Bearing - High Precision Bearing Shielded Option

Replacement Part: SMR106A-ZZS-MC34-P4P-R-AF12 (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 6x10x3 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing

$33.19 $85.54
36 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 6x10x3 mm - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Replacement Bearing - High Precision Bearing Shielded Option

Replacement Part: SMR106A-ZZS-MC34-GR7-R-G48 (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 6x10x3 mm Unflanged - Stainless Steel AISI 440C - Ribbon Retainer Low Torque Bearing

$33.56 $86.47
28 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 6x10x3 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: SMR106A-ZZS-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 6x10x3 mm Unflanged - Stainless Steel AISI 440C Bearing

$7.23
206 Available Now -> Orders for more than 206 can be expected around Jun 12, 2026
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Single Row Ball Bearings - 8x16x5 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: S688A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 8x16x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.14
270 Available Now -> Orders for more than 270 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 8x16x5 mm - Chrome Steel SAE 52100 - Replaces -
BB 8-16-5
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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One Way Bearings - 10x14x12 mm - Chrome Steel - Replaces -
BB 10-14-12
Roller Clutch Bearing - One Way Direction

Replacement Part: OW-0100-0140-0120-R (Each)
One way direction

One Way Bearings - 10x14x12 mm Roller - Chrome Steel Bearing

$30.86
Temporarily Out Of Stock -> Backorder now for delivery around Jun 21, 2026
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Single Row Ball Bearings - 10x15x4 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls - Replaces -
BB 10-15-4
Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: S6700A-CSN-ZZS-ACO-ECO (Each)
Double Shielded ceramic-hybrid Stainless Steel Bearing

Single Row Ball Bearings - 10x15x4 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing

$24.41 $29.29
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 10x15x4 mm - Chrome Steel SAE 52100
Replacement Part: 6700A-ZZS (Each)
Double shielded standard bearing

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

$4.23
14 Available Now -> More due: Jun 21, 2026 -> Orders for more than 14 can be expected around Jun 18, 2026
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