Oil Seal TC 21x31x7mm - TC Double Lip NBR Rubber Oil Seal with Garter Spring 4300N The four bearings come in

The four bearings come in a set with rubber-sealed closures on both sides and are pre-lubed with low-friction grease to deliver smooth rotation and durable performance in cycling applications

✅ Mounting: ribbed base for high load direction handling

This bearing is built for long service life with smooth performance

Keeps shaft alignment tight

Oil Seal TC 21x31x7mm - TC Double Lip NBR Rubber Oil Seal with Garter Spring 4300N The four bearings come inShaft Oil Seal TC21x31x7 Rubber Covered Double Lip w Garter Spring Rotary Shaft Seal Double Lip Shaft Diameter 21mm Width 7mm For Bore Diameter 31mm Nitrile Rubber Lip Material. Item Sku : TC21x31x7 Type : TC 21x31x7 mm Inner : 21mm Outer : 31mm Width : 7mm Size : 21mm x 31mm x 7mm Seal Material : Nitrile Butadiene Rubber Temperature Range : 40 to 248F