Synergy® Replacement RC Helicopter Parts

A selection of replacement parts for Synergy®. These parts are not original parts unless otherwise stated in the descriptions. Please check your choices thoroughly.

Add the quantities required for each item, then click "Add to Cart" before proceeding to the next page

Replacement Parts Price Quantity
Single Row Ball Bearings - 3x7x3 mm - Stainless Steel AISI 440C Synergy® N9: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: S683A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 3x7x3 mm Unflanged - Stainless Steel AISI 440C Bearing

$3.68
160 Available Now -> Orders for more than 160 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 3x7x3 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 3-7-3
Synergy® N9: 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 Jul 02, 2026
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Single Row Ball Bearings - 3x8x4 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Synergy® N9: 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 Jul 16, 2026
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Single Row Ball Bearings - 3x8x4 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 3-8-4
Synergy® N9: 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 Jul 08, 2026
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Single Row Ball Bearings - 4x7x2.5 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Synergy® N9: Replacement Bearing - Economy Ceramic Hybrid Bearing

Replacement Part: SMR74A-CSN-2RY-ECO (Each)
Double black rubber sealed economy stainless ceramic-hybrid bearing

Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing

$18.95 $22.75
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Single Row Ball Bearings - 4x7x2.5 mm - Stainless Steel AISI 440C - Replaces -
Synergy® N9: BB 4-7-2.5
Synergy® N9: Replacement Bearing - Stainless Flanged Economy Bearing Shielded Option

Replacement Part: SFMR74A-ZZ-ECO (Each)
Double shielded economy flanged stainless steel bearing

Single Row Ball Bearings - 4x7x2.5 mm Flanged - Stainless Steel AISI 440C Bearing

$4.23 $7.89
Temporarily Out Of Stock -> Backorder now for delivery around Jul 11, 2026
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Single Row Ball Bearings - 4x7x2.5 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 4-7-2.5
Synergy® N9: Bearing - Standard Bearing

Replacement Part: MR74A-ZZS-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.14
31 Available Now -> Orders for more than 31 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 4x7x2.5 mm - Stainless Steel AISI 440C Synergy® N9: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: SMR74A-ZZS-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 4x7x2.5 mm Unflanged - Stainless Steel AISI 440C Bearing

$5.41
227 Available Now -> Orders for more than 227 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 4x8x3 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 4-8-3
Synergy® N9: 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

$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 - 4x8x3 mm - Stainless Steel AISI 440C Synergy® N9: 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 Jul 02, 2026
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Single Row Ball Bearings - 5x10x4 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 5-10-4
Synergy® N9: 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 Jul 08, 2026
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Single Row Ball Bearings - 5x10x4 mm - Stainless Steel AISI 440C Synergy® N9: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: SMR105A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 5x10x4 mm Unflanged - Stainless Steel AISI 440C Bearing

$6.23
47 Available Now -> Orders for more than 47 can be expected around Jul 08, 2026
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Thrust Ball Bearings - 5x10x4 mm / 5.2 mm Grooved - Chrome Steel - Replaces -
Synergy® N9: BB 5-10-4
Synergy® N9: 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 Jul 08, 2026
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Single Row Ball Bearings - 6x15x5 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 6-15-5
Synergy® N9: Bearing - Economy Bearing

Replacement Part: 696-ZZ-ECO (PK-5)
Double shielded economy bearing

Single Row Ball Bearings - 6x15x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$5.05
36 (180 pcs) Available Now -> Orders for more than 36 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 6x15x5 mm - Chrome Steel SAE 52100 Synergy® N9: Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 696-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 6x15x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$6.23
306 Available Now -> Orders for more than 306 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 8x14x4 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 8-14-4
Synergy® N9: Bearing - Standard Bearing

Replacement Part: MR148A-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 8x14x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$6.05
76 Available Now -> Orders for more than 76 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 8x14x4 mm - Stainless Steel AISI 440C Synergy® N9: Replacement Bearing - Stainless Bearing Shielded Option

Replacement Part: SMR148A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 8x14x4 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.14
62 Available Now -> Orders for more than 62 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 8x14x4 mm - Stainless Steel AISI 440C Synergy® N9: Replacement Bearing - High Clerarance Bearing Shielded Option

Replacement Part: SMR148A-ZZ-MC4-AF12 (Each)
Double shielded low-torque stainless steel bearing with light oil lubricant

Single Row Ball Bearings - 8x14x4 mm Unflanged - Stainless Steel AISI 440C Bearing

$5.68
28 Available Now -> Orders for more than 28 can be expected around Nov 11, 2026
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Single Row Ball Bearings - 8x16x5 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 8-16-5
Synergy® N9: 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

$4.86
56 (280 pcs) Available Now -> Orders for more than 56 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 8x16x5 mm - Stainless Steel AISI 440C Synergy® N9: 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
269 Available Now -> Orders for more than 269 can be expected around Jul 08, 2026
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Thrust Ball Bearings - 8x16x5 mm / 8.2 mm Grooved - Chrome Steel - Replaces -
Synergy® N9: BB 8-16-5
Synergy® N9: Thrust Bearing - Brass Retainer

Replacement Part: T-0080-0160-G-BR (Each)
Thrust bearing with 2 Grooved Washers and retainerd Balls

Thrust Ball Bearings - 8x16x5 mm / 8.2 mm Grooved - Chrome Steel Bearing

$31.77 $38.13
Temporarily Out Of Stock -> Backorder now for delivery around Jul 13, 2026
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Single Row Ball Bearings - 10x19x5 mm - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Synergy® N9: Replacement Bearing - Economy Ceramic Hybrid Bearing Shielded Option

Replacement Part: S6800-CSN-ZZ-ECO (Each)
Double shielded economy ceramic-hybrid stainless steel bearing

Single Row Ball Bearings - 10x19x5 mm Unflanged - Stainless Steel AISI 440C - Ceramic Si3N4 Balls Bearing

$26.95 $32.35
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Single Row Ball Bearings - 10x19x5 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 10-19-5
Synergy® N9: Replacement Bearing - Standard Bearing Shielded Option

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 Jul 08, 2026
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Single Row Ball Bearings - 12x18x4 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 12-18-4
Synergy® N9: Replacement Bearing - Standard Bearing Shielded Option

Replacement Part: 6701-ZZS (Each)
Double shielded standard bearing

Single Row Ball Bearings - 12x18x4 mm Unflanged - Chrome Steel SAE 52100 Bearing

$6.86
66 Available Now -> Orders for more than 66 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 12x21x5 mm - Stainless Steel AISI 440C Synergy® N9: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: S6801-ZZ-ECO (Each)

Single Row Ball Bearings - 12x21x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.68
10 Available Now -> Orders for more than 10 can be expected around Jul 11, 2026
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Single Row Ball Bearings - 12x21x5 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 12-21-5
Synergy® N9: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: 6801-ZZ-ECO (Each)
Double shielded economy bearing

Single Row Ball Bearings - 12x21x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.50
16 Available Now -> Orders for more than 16 can be expected around Jul 11, 2026
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Single Row Ball Bearings - 15x24x5 mm - Stainless Steel AISI 440C Synergy® N9: Replacement Bearing - Economy Bearing Shielded Option

Replacement Part: S6802-ZZ-ECO (Each)
Double shielded economy stainless steel bearing

Single Row Ball Bearings - 15x24x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$28.41 $34.09
Temporarily Out Of Stock -> Backorder now for delivery around Jul 16, 2026
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Single Row Ball Bearings - 15x24x5 mm - Chrome Steel SAE 52100 - Replaces -
Synergy® N9: BB 15-24-5
Synergy® N9: Bearing - Standard Bearing

Replacement Part: 6802-ZZ (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 15x24x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.26 $7.45
234 Available Now -> Only the available quantity may be ordered online. No backorders.
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