ITEM NAME:20 mm Inner Dia Stainless Steel, Adjustable, Pillow Block Ball Bearing A8U4 20 mm Inner Dia Stainless Steel, Adjustable, Pillow Block Ball Bearing A8U4 Product name :; Ball Bearing Model: KP004 Pillow Block Ball Bearing; Material: stainless steel, rubber Ball Bearing Width: 20 mm / 2 cm; Cushion block size: 100 x 20 x 55 mm / 9,9 x 2 x 5,6 cm (L * W * D) Color: Silver Tone, Black; Ball bearing inside diameter: 20 mm / outside 2 cm; Ball bearing diameter: 40 mm / 4.1 cm Net weight: 220g; Mount hole size: 10 x 10 mm / 1 x 1 cm (L * W); Total height: 55 mm / 5,6 cm Package Content: 1 x Sealed Ball Bearing Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.