High-Performance Deep Groove Ball Bearing

6303 is a precision deep groove radial ball bearing designed for smooth rotation, reduced friction, and dependable performance in high-speed and general-purpose applications. Manufactured for durability and consistent operation, this bearing is suitable for electric motors, small machinery, tools, and mechanical assemblies.

Seal Types

• Open (No Seal)
• Metal Shield (ZZ)
• Rubber Seal (2RS)

Cross Reference

6303RS, 6303LLU, 6303LLB, 6303DDU, 6303VV, 6303.2RSJ1, 6303EE, 6303.2RU, 303PP, 303SZZ, 6303-2NSL, 99303, 6L052, 5972K55, 6661K124, 6303.2RSR, 6303-2RS1, 6303-2NSE, 6303-RS, 6-303-4, 6-303-4E, Z99603, 63032RS1, BLN 17, 303CC, 99603, 1303RR, 6303-2G, 6303-2RS1/QE6, DN303, 180303, 6303DD, 6303LL, 2RS Sealed, 63032RS,6303Z, 6303.2Z, 6303SS, 6303ZZ, 6303.2ZJ1, 303KSFF, 303KDD, 77303, 6L035, 5972K349, 6661K64, 303SFF, 63032Z, 77603, 1303FF, 4 BPPL, 6303.2ZR, 303SS, 80303, T77303, 6303-2Z/QE6, 6303PP, ZZ Shielded, 6303-2Z, 6303KDD, 303, 303K, 303KS, 5972K118, 6303, 303-S, T303, 17BC03, 6303/QE6