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 2-5-2.30
Replacement Bearing - Stainless Flanged Economy Bearing Shielded Option
Double shielded flanged stainless steel bearing

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

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

$9.32
1 Available Now -> Orders for more than 1 can be expected around Aug 22, 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
Double shielded flanged stainless steel bearing

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
Replacement Bearing - Standard Bearing
Double shielded standard bearing

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 Aug 19, 2026
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Single Row Ball Bearings - 2x5x2.3 mm - Chrome Steel SAE 52100 - Replaces -
BB 2-5-2.30
Replacement Bearing - Economy Bearing
Double shielded economy bearing

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

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

$6.50
13 (65 pcs) Available Now -> Orders for more than 13 can be expected around Aug 13, 2026
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- Replaces -
BB 2-5-2.3
Replacement Bearing - Stainless Flanged Bearing Shielded Option

SF682A-ZZ-MC3-JP6 (PK-100)

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

$830.05 $1,755.72
Temporarily Out Of Stock -> Backorder now for delivery around Aug 19, 2026
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1049935 | SFMR63A-CSN-ZZ-ECO (Each) --- Single Row Ball Bearings - 3x6x2.5 mm Flanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing - Replaces -
BB 3-6-2.5
Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Double shielded flanged economy ceramic-hybrid stainless steel bearing

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 Aug 27, 2026
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1050374 | S693A-CSN-ZZ-ECO (Each) --- Single Row Ball Bearings - 3x8x4 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Double shielded economy ceramic-hybrid stainless steel bearing

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 Aug 27, 2026
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Single Row Ball Bearings - 4x8x3 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

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 Aug 13, 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
Double shielded flanged stainless steel bearing

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

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

$6.68
100 Available Now -> Orders for more than 100 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
BB 4-8-3
Replacement Bearing - Economy Bearing
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
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 - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
BB 5-10-4
Replacement Bearing - Standard Bearing
Double shielded standard bearing

MR105A-ZZ-MC3 (Each)
Double shielded standard bearing

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

$3.77
397 Available Now -> Orders for more than 397 can be expected around Aug 19, 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
Thrust bearing with 2 Grooved Washers and retainerd Balls

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
127 Available Now -> Orders for more than 127 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 6x10x3 mm - Chrome Steel SAE 52100 - Replaces -
BB 6-10-3
Replacement Bearing - Economy Bearing
Double shielded economy bearing

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

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

$10.32
22 (220 pcs) Available Now -> Orders for more than 22 can be expected around Aug 13, 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
Deleted Item. Available while stocks last.

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 Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

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

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

$7.23
156 Available Now -> Orders for more than 156 can be expected around Aug 13, 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
Deleted Item. Available while stocks last.

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 - 8x16x5 mm - Stainless Steel AISI 440C Replacement Bearing - Stainless Bearing Shielded Option
Double shielded standard stainless steel bearing

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

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

$4.14
69 Available Now -> Orders for more than 69 can be expected around Aug 19, 2026
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Single Row Ball Bearings - 8x16x5 mm - Chrome Steel SAE 52100 - Replaces -
BB 8-16-5
Replacement Bearing - Economy Bearing
Double shielded economy bearing

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

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

$4.86
56 (280 pcs) Available Now -> Orders for more than 56 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 10x15x4 mm - Chrome Steel SAE 52100 Double shielded standard bearing

6700A-ZZS (Each)
Double shielded standard bearing

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

$4.23
12 Available Now -> More due: Jul 27, 2026 -> Orders for more than 12 can be expected around Aug 19, 2026
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1096966 | OW-0100-0140-0120-R (Each) --- One Way Bearings - 10x14x12 mm Roller - Chrome Steel Bearing - Replaces -
BB 10-14-12
Roller Clutch Bearing - One Way Direction
One way direction

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

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

$27.32
Temporarily Out Of Stock -> Backorder now for delivery around Aug 22, 2026
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- Replaces -
BB 10-15-4
Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option
Double Shielded ceramic-hybrid Stainless Steel Bearing

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 Aug 27, 2026
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