5211ZZ Koyo Double Shielded Angular Contact Bearing 55 mm Inner Diameter 100 mm Outer Diameter 33.3 mm Width with 52100 Steel Construction Riveted Steel Cage Round Bore C0 Internal Clearance

5211ZZ KOYO Single Bearing 55x100x33.3 DoubleShielded
✔️ Inner 55 mm, Outer 100 mm, Width 33.3 mm; 52100 steel cage

KOYO 5211ZZ double shielded angular contact bearing is built for precise shaft support in machinery. This round-bore unit is commonly used in gearboxes, conveyors, motors, and pumps where axial and radial loads must be managed with minimal friction. The 52100 steel body, riveted steel cage, and C0 clearance ensure durability and reliable performance in harsh environments.

✅ Inner diameter 55 mm
✅ Outer diameter 100 mm
✅ Width 33.3 mm
✅ Material 52100 steel
✅ Riveted steel cage
✅ Double shielded design (ZZ) with C0 clearance

💡 What is an angular contact bearing used for in high-speed machinery? This handy piece handles axial and radial loads in compact setups.
- High-speed shaft support in motors and gearboxes
- Precise alignment with low friction
- Sealed for dirt resistance and longer life