Product photo — see the table below for main specifications; non-standard designs welcome
4200/4300 Series Double Row Angular Contact Ball Bearings
Double Row Angular Contact Ball Bearings
Compact section and good rigidity; open, shielded (Z) and sealed (RS) variants suit motors, gearboxes and agricultural machinery in tight spaces.
| Category | Double Row Angular Contact Ball Bearings |
| Precision class | P0 / P6 / P5 (P4 for precision types) |
| Clearance group | C0 / C2 / C3 / C4 (by application) |
| Material | GCr15 high-carbon chromium steel / carburising steel (optional) |
| Heat treatment | Quenched & tempered, 58–64 HRC, dimensional stabilised |
| Standards | GB/T 307 / ISO 492 / JB-T (per product) |
Series note: Equivalent to a pair of back-to-back single row angular contact bearings sharing an outer ring, they take bidirectional axial loads and overturning moments with simple installation and a com…
