Description
SMR3121.5 Premium ABEC-5 Stainless Steel Ball Bearing Silicon Nitride Ceramic Balls 21.5 x 31 x 7 mm SMR3121.5 Premium ABEC-5 Stainless Steel Ball Bearing, bearing is Silicon Nitride ceramic ball.
Item: SMR3121.5 Ball Bearing Quality: Premium ABEC-5 Closures: Open Material: Stainless Steel Balls: Silicon Nitride Ceramic (Si3N4) Dimensions: 21.5mm x 31mm x 7mm/Metric ID (inner diameter)/Bore: 21.5mm OD (outer diameter): 31mm Width/Height/thickness: 7mm Dimensions: 21.5 x 31 x 7 mm Quantity: One Bearing VXB Category: Hybrid ceramic bearings
SMR3121.5 Ceramic Bearing 21.5mm Mrtric Sealed ABEC-5 Bearings