The Timken Company 6310-2RS-C3 Deep Groove Ball Bearing

Timken 6310-2RS-C3 is a sealed radial deep groove ball bearing designed to support radial and moderate axial loads in high-speed rotating equipment and electric motor systems. The 2RS double-contact seal design helps retain lubricant while preventing dust and moisture from entering, making it suitable for electric motors, industrial pumps, gearboxes, conveyors, compressors, fans, and power transmission equipment where dependable operation is essential. Its dimensions are bore 50 mm, outside diameter 110 mm, and width 27 mm, with internal clearance C3; dynamic radial load rating is 57,500 N and static radial load rating is 35,300 N. The bearing uses Polyrex EM Premium Grease for lubrication, featuring a two-piece riveted steel cage and a maximum shaft fillet radius of 2.0 mm; grease-lubricated limiting speed is 4,200 rpm and oil-lubricated is 10,000 rpm. Manufactured by Timken (MPN 6310-2RS-C3), common replacements include SKF 6310-2RS1/C3, NTN 6310LLU/C3, and NSK 6310DDU/C3.