Traxxas TRX-4M Bronco Bearing Size List & Bearing Locations

Traxxas TRX-4M Bronco Bearing Size List & Bearing Locations

Use this Traxxas TRX-4M Bronco bearing size list to identify replacement RC bearings, OEM part references and bearing locations for the listed 1/18 scale model. The complete kit includes 22 bearings. Key bearing sizes include 3x6x2.5, 3.5x7x2.5, 4x8x3, 5x8x2.5 and 8x12x3.5. Common bearing applications include micro axle and drivetrain positions, micro axle and transmission positions, micro hub and driveline positions, micro transmission and support positions and micro drivetrain support positions.

Vehicle Summary

  • Brand: Traxxas
  • Vehicle: TRX-4M Bronco
  • Scale: 1/18
  • Total bearing count: 22
  • OEM part numbers listed: 5114A

Bearing Size, Quantity and Application Table

The table below lists each bearing size from the complete kit, where it is used, and matching individual replacement bearing product links where available.

Bearing size Quantity Application Replacement product OEM part numbers Bearing type
3x6x2.5 8 8 bearings are listed for micro axle and drivetrain positions, used for supports small TRX-4M rotating assemblies. Rubber sealed
3.5x7x2.5 4 4 bearings are listed for micro axle and transmission positions, used for supports compact shafts. Rubber sealed
4x8x3 4 4 bearings are listed for micro hub and driveline positions, used for supports compact hub and drivetrain rotation. Rubber sealed
5x8x2.5 4 4 bearings are listed for micro transmission and support positions, used for supports small rotating shafts. 5114A Rubber sealed
8x12x3.5 2 2 bearings are listed for micro drivetrain support positions, used for supports higher-load compact driveline rotation. Rubber sealed

Replacement Bearing Kits

Choose the complete kit for a full rebuild, or use the sub-kit links for assembly-specific replacement bearing kits.

Kit SKU Type Price Product link
Traxxas TRX-4M Bronco Complete Bearing Kit 888RC-TRX-TRX4MBRONCO-FULL-BRG complete bearing kit GBP 19.99 View kit

Individual Replacement Bearings

Size Product SKU Used for Product link
3x6x2.5 3x6x2.5 MR63ZZ / MR632RS RC Bearing for Traxxas TRX-4M Bronco | 888-RC 888RC-BRG-3X6X2P5-TRX-TRX4MBRONCO micro axle and drivetrain positions View bearing
3.5x7x2.5 3.5x7x2.5 RC Bearing for Traxxas TRX-4M Bronco | 888-RC 888RC-BRG-3P5X7X2P5-TRX-TRX4MBRONCO micro axle and transmission positions View bearing
4x8x3 4x8x3 MR84ZZ / MR842RS RC Bearing for Traxxas TRX-4M Bronco | 888-RC 888RC-BRG-4X8X3-TRX-TRX4MBRONCO micro hub and driveline positions View bearing
5x8x2.5 5x8x2.5 MR85ZZ / MR852RS RC Bearing for Traxxas TRX-4M Bronco (5114A) | 888-RC 888RC-BRG-5X8X2P5-TRX-TRX4MBRONCO micro transmission and support positions View bearing
8x12x3.5 8x12x3.5 MR128ZZ / MR1282RS RC Bearing for Traxxas TRX-4M Bronco | 888-RC 888RC-BRG-8X12X3P5-TRX-TRX4MBRONCO micro drivetrain support positions View bearing

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OEM Reference Guides

FAQ

What bearings does the Traxxas TRX-4M Bronco use?

The listed Traxxas TRX-4M Bronco bearings are 3x6x2.5, 3.5x7x2.5, 4x8x3, 5x8x2.5, 8x12x3.5.

How many bearings are in the Traxxas TRX-4M Bronco?

The complete bearing kit includes 22 bearings for this vehicle.

What bearing sizes are used in the Traxxas TRX-4M Bronco?

The bearing sizes listed are 3x6x2.5, 3.5x7x2.5, 4x8x3, 5x8x2.5, 8x12x3.5.

Are the bearings rubber sealed?

Yes. Every bearing in the Traxxas TRX-4M Bronco full kit is listed as rubber sealed.

Can I buy individual replacement bearings?

Yes. Individual replacement bearings are listed for the Traxxas TRX-4M Bronco by size and SKU.