Miniature Ball bearings
Flange bearings
Thrust Ball bearings
Ceramic Ball Bearings
Stainless Steel Bearings
Special Bearings

Structure of bearing
Bearing Material
Accuracy
Lubrication
Vibration and noise
Internal clearance
Points of attention for using
Installation
Inspection and Test
 
¡¡ Manufacturing&Quality
Leading-edge technology allows for submicron precision. We produce high-quality shapes, reflecting our technology onto every product.

We inspects each bearing through the advanced instrument and mild technology by the established quality-controlling department.
Below the following is WT production process and corresponding quality inspection:
Material incoming: 100% inspection
Inner & outer rings turning:100% inspection
Heat treatment: random inspection
Face grinding :100% inspection
Centerless grinding :100% inspection
Bore grinding:100% inspection
Inner & outer groove grinding: random inspection
Inner & outer grooves superfinish grinding:100% inspected
Assembly:100% inspection
Grease filling: 100% inspection
Noise & vibration testing:100% inspection
Packing & storing:the final 10% inspection before the formal shipment

Manufacturing :