Description
21.5 x 31 x 7 Stainless Steel Premium ABEC-5 Ball Bearing Silicon Nitride Ceramic Balls 2 PTFE Seals 21.5 x 31 x 7 Stainless Steel Premium ABEC-5 Ball Bearing, Silicon Nitride ceramic balls, inner diameter is 21.5mm, outer diameter is 31mm and width is 7mm.
Item: 21.5 x 31 x 7 Ball Bearing Type: Deep Groove Radial Ball Bearing Closures: PTFE Sealed Quality: Premium ABEC-5 Material: Stainless Steel Balls: Silicon Nitride Ceramic (Si3N4) Lubrication: Self Lubricated (Grease SRL) Bearing Dimensions: 21.5mm x 31mm x 7mm/Metric ID (inner diameter)/Bore: 21.5mm OD (outer diameter): 31mm Width/Height/thickness: 7mm Quantity: One Bearing VXB Category: Hybrid ceramic bearings
SMR3121.5-2RS Ceramic Bearing 21.5x31x7 Si3N4 PTFE ABEC-5 Bearings