Applied with railway freight cars with axle load of 21t, 23t~25t, and 27t~30t. The operating speed is 120km/h, the maintenance period is more than 8 years or 800,000 kilometers, and the service life is more than 1.6 million kilometers.

The bearing design precision level reaches above P6

Optimized ribs and roller base surface. Plastic steel cage. High-performance sealing structure adopted to meet the application of railway freight car axle boxes. Bearing pre-adjusted clearance before delivery

Bearing injected with grease.no need for clearance adjustment and grease filling during installation