



VXB
51204 Thrust Bearing 20x40x14mm
UPC: 00193019037737
Type: Thrust Ball Bearing
Dimensions: 20mm x 40mm x 14mm/Metric
ID (inner diameter)/Bore: 20mm
OD (outer diameter): 40mm
51204 Thrust Ball Bearing
✔️ 20mm x 40mm x 14mm - One Axial Load Bearing
The 51204 thrust ball bearing is built to support heavy vertical or axial loads in a single direction. With its standard 20mm x 40mm x 14mm dimensions, it’s widely used in machinery, industrial equipment, and vertical shaft setups. Made from strong chrome steel for durability and dependable performance.
✅ Handles high axial (vertical) loads in one direction
✅ Made from 52100 chrome steel for strength and wear resistance
✅ Size: 20mm ID x 40mm OD x 14mm Width
✅ Dynamic load rating: 22,200 N
✅ Static load rating: 37,500 N
✅ Max speed (grease): 4,200 RPM
✅ Max speed (oil): 6,300 RPM
✅ Quantity: 1 thrust bearing
💡 What makes thrust ball bearings ideal for vertical loads?
Thrust ball bearings are designed specifically for one-direction axial loads, making them perfect for vertical shafts or rotating equipment where side (radial) force is minimal or absent.
Reliable and efficient for vertical force support in presses, jacks, and rotating assemblies.
These were replacement bearing is our trailer jacks. The oem of the trailer jacks wanted 5x the price as VBX.
Exact replacement for my usage.
The right bearing the first time!