Universal Parts 105-40 6304 transmission bearing for compatible CFMoto V3/V5 applications, close-up showing exposed balls and cage Universal Parts 105-40 6304 transmission bearing for compatible CFMoto V3/V5 applications, close-up showing exposed balls and cage
Universal Parts 105-40 6304 transmission bearing for compatible CFMoto V3/V5 applications, angled view showing open face and inner bore Universal Parts 105-40 6304 transmission bearing for compatible CFMoto V3/V5 applications, angled view showing open face and inner bore
Universal Parts 105-40 6304 transmission bearing for compatible CFMoto V3/V5 applications, close-up showing exposed balls and cage
Universal Parts 105-40 6304 transmission bearing for compatible CFMoto V3/V5 applications, angled view showing open face and inner bore

Universal Parts

Universal Parts 6304 Transmission Bearing - 20x52x15mm

SKU 105-40
$6.00
Shipping calculated at checkout.
Description

This Universal Parts 6304 transmission bearing helps restore smooth shaft rotation when replacing a worn bearing in a matching scooter transmission. Its open ball-bearing design features exposed balls and a metal cage, with a 20mm inner diameter, 52mm outer diameter, and 15mm width for a precise size match.

Key Features

  • Transmission refresh: Replacement bearing for compatible transmission shafts and housings.
  • 6304 size: Standard bearing designation makes matching your original bearing straightforward.
  • Open design: Exposed balls and cage, without side seals or shields.
  • Clear fit-check dimensions: 20mm bore, 52mm outside diameter, and 15mm width.

Technical Specifications

  • Brand: Universal Parts
  • Part number: 105-40
  • Manufacturer part number / bearing designation: 6304
  • Inner diameter: 20mm
  • Outer diameter: 52mm
  • Width: 15mm
  • Type: Open ball bearing
  • Application: Compatible scooter transmissions, including select 250cc four-stroke applications

Compatibility

Make Application
CFMoto V3 / V5, at transmission positions requiring a matching 6304 bearing
Boreem / BMS Compatible transmission applications using a 20 × 52 × 15mm 6304 bearing
Honda, Kazuma, Roketa, SUNL, Tank Select transmission applications using a matching 6304 bearing
Other makes/models Matching 6304 transmission-bearing applications

 

Match the original bearing designation, all three dimensions, and open bearing design before ordering. Fitment depends on the specific transmission and bearing position, not the vehicle brand alone.
Product Diagrams
Features
  • 6304 transmission bearing
  • Open ball-bearing design without side seals or shields
  • 20mm inner diameter
  • 52mm outer diameter
  • 15mm width
  • Replacement for matching transmission applications
Specifications

Brand: Universal Parts; Part number: 105-40; MPN / bearing designation: 6304; Inner diameter: 20mm; Outer diameter: 52mm; Width: 15mm; Type: open ball bearing; Application: matching scooter transmissions, including select 250cc four-stroke applications
Model Fitments

CFMoto V3/V5; compatible Boreem/BMS, Honda, Kazuma, Roketa, SUNL, Tank, and other transmission applications; Includes select 250cc four-stroke applications; Requires matching 6304 designation, 20x52x15mm dimensions, open design, and bearing position
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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