6903ZZC3 NSK Shielded Deep Groove Ball Bearing 17mm inside x 30mm outside x 7mm wide Sealed Inside diameter d: 280mm

Inside diameter d: 280mm

Designed for small threads

Supplied with Grease Nipple

The 51-17 Simplex Taper Lock Sprocket is a premium-quality 17-tooth roller chain sprocket designed for use with 51 Simplex (single-strand) roller chain

Fatigue load limit Pu 45

6903ZZC3 NSK Shielded Deep Groove Ball Bearing 17mm inside x 30mm outside x 7mm wide Sealed Inside diameter d: 280mmNSK Pressed Steel Cages Single row deep groove ball bearings are the most common type of rolling bearings. Their use is very widespread. In addition to open type bearings, these bearings often have steel shields or rubber seals installed on one or both sides and are prelubricated with grease. Also, snap rings are sometimes used on the periphery. As to cages, pressed steel ones are the most common. For big deep groove ball bearings, machined brass