Losi Promoto-MX Bearing Size List & Bearing Locations

Losi Promoto-MX Bearing Size List & Bearing Locations

Use this Losi Promoto-MX bearing size list to identify replacement RC bearings, OEM part references and bearing locations for the listed 1/4 scale model. The complete kit includes 16 bearings. Key bearing sizes include 3x6x2.5, 5x10x4, 5x13x4, 6x12x4, 7x14x5 and 8x12x3.5 flanged. Common bearing applications include Promoto-MX chassis and drivetrain and steering shaft.

Vehicle Summary

  • Brand: Losi
  • Vehicle: Promoto-MX
  • Scale: 1/4
  • Total bearing count: 16
  • OEM part numbers listed: LOS267003

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 2
  • Promoto-MX chassis and drivetrain (2): supports small rotating assemblies listed in the Promoto-MX bearing kit
 rubber sealed
5x10x4 2
  • Promoto-MX chassis and drivetrain (2): supports rotating assemblies listed in the Promoto-MX bearing kit
 rubber sealed
5x13x4 2
  • Promoto-MX chassis and drivetrain (2): supports rotating assemblies listed in the Promoto-MX bearing kit
 rubber sealed
6x12x4 2
  • Promoto-MX chassis and drivetrain (2): supports rotating assemblies listed in the Promoto-MX bearing kit
 rubber sealed
7x14x5 2
  • Promoto-MX chassis and drivetrain (2): supports rotating assemblies listed in the Promoto-MX bearing kit
 rubber sealed
8x12x3.5 flanged 2
  • Promoto-MX chassis and drivetrain (2): supports flanged bearing positions listed in the Promoto-MX bearing kit
 rubber sealed
8x14x4 2
  • Promoto-MX chassis and drivetrain (2): supports rotating assemblies listed in the Promoto-MX bearing kit
 rubber sealed
10x19x5 1
  • steering shaft (1): supports the Promoto-MX/SM steering shaft
 LOS267003 rubber sealed
15x24x5 1
  • steering shaft (1): supports the Promoto-MX/SM steering shaft
 LOS267003 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
Losi Promoto-MX Rubber Sealed Complete Bearing Kit | 888-RC 888RC-LOS-PROMOTOMX-FULL-BRG complete_bearing_kit GBP 22.99 View kit
Losi Promoto-MX Steering Shaft Bearing Kit | 888-RC 888RC-LOS-PROMOTOMX-STEER-BRG steering_bearing_kit GBP 6.98 View kit
Losi Promoto-MX Chassis and Drivetrain Bearing Kit | 888-RC 888RC-LOS-PROMOTOMX-CHASSIS-BRG chassis_drivetrain_bearing_kit GBP 18.80 View kit

Individual Replacement Bearings

Size Product SKU Used for Product link
3x6x2.5 3x6x2.5 Rubber Sealed RC Bearing for Losi Promoto-MX (Compatible) | 888-RC 888RC-BRG-3X6X2.5-LOS-PROMOTOMX Promoto-MX chassis and drivetrain View bearing
5x10x4 5x10x4 Rubber Sealed RC Bearing for Losi Promoto-MX (Compatible) | 888-RC 888RC-BRG-5X10X4-LOS-PROMOTOMX Promoto-MX chassis and drivetrain View bearing
5x13x4 5x13x4 Rubber Sealed RC Bearing for Losi Promoto-MX (Compatible) | 888-RC 888RC-BRG-5X13X4-LOS-PROMOTOMX Promoto-MX chassis and drivetrain View bearing
6x12x4 6x12x4 Rubber Sealed RC Bearing for Losi Promoto-MX (Compatible) | 888-RC 888RC-BRG-6X12X4-LOS-PROMOTOMX Promoto-MX chassis and drivetrain View bearing
7x14x5 7x14x5 Rubber Sealed RC Bearing for Losi Promoto-MX (Compatible) | 888-RC 888RC-BRG-7X14X5-LOS-PROMOTOMX Promoto-MX chassis and drivetrain View bearing
8x12x3.5 flanged 8x12x3.5 flanged Rubber Sealed RC Bearing for Losi Promoto-MX (Compatible) | 888-RC 888RC-BRG-8X12X3.5-FLANGED-LOS-PROMOTOMX Promoto-MX chassis and drivetrain View bearing
8x14x4 8x14x4 Rubber Sealed RC Bearing for Losi Promoto-MX (Compatible) | 888-RC 888RC-BRG-8X14X4-LOS-PROMOTOMX Promoto-MX chassis and drivetrain View bearing
10x19x5 10x19x5 Rubber Sealed RC Bearing for Losi Promoto-MX (LOS267003) | 888-RC 888RC-BRG-10X19X5-LOS-PROMOTOMX steering shaft View bearing
15x24x5 15x24x5 Rubber Sealed RC Bearing for Losi Promoto-MX (LOS267003) | 888-RC 888RC-BRG-15X24X5-LOS-PROMOTOMX steering shaft View bearing

FAQ

What bearings does the Losi Promoto-MX use?

The listed Losi Promoto-MX bearings are 3x6x2.5, 5x10x4, 5x13x4, 6x12x4, 7x14x5, 8x12x3.5 flanged, 8x14x4, 10x19x5, 15x24x5.

How many bearings are in the Losi Promoto-MX?

The complete bearing kit includes 16 bearings for this vehicle.

What bearing sizes are used in the Losi Promoto-MX?

The bearing sizes listed are 3x6x2.5, 5x10x4, 5x13x4, 6x12x4, 7x14x5, 8x12x3.5 flanged, 8x14x4, 10x19x5, 15x24x5.

Are the bearings rubber sealed?

Yes. Every bearing in the Losi Promoto-MX full kit is listed as rubber sealed.

Can I buy individual replacement bearings?

Yes. Individual replacement bearings are listed for the Losi Promoto-MX by size and SKU.