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the 21317EXW33 outer diameter is 180mm and the 21317EXW33 width is 41mm
Dimensions (Inches) d H A r B S 1" 3-35/64" 11/32" 5/64" 1-1/2" 19/32"
Size: 3/8" x 1-1/8" x 3/8" inch
bearings are self lubricated bearings (bearings are already greased)
15x21x4 Open Bearing 6.35 mm the 21317EXW33 outer diameter is15 x 21 x 4 Open Ball Bearing One Bearing 15mm x 21mm x 4mm Open Wheel Ball Bearing for many applications, a standard bearing size with dimensions commonly used across many industries: 15mm x 21mm x 4mm. made from durable 52100 alloy steel, commonly known as chrome steel. 15 x 21x 4 Ball Bearing Deep Groove Ball Bearing Closures: Open Size: 15mm x 21mm x 4mm Inner Diameter: 15mm Outer Diameter: 21mm Width: 4mm Quantity: 1 Bearing
