1" inner diameter = 1 inch 1" inner diameter = 1 inch 10 Bearing R16-2RS 1"x2"x1/2" Sealed Code: Kit208 Price: $39.95 Quantity in Basket: none 1" Mounted Bearing UCP205-16 + Pillow Block Cast Housing Code: kit920 Price: $9.95 Quantity in Basket: none 1" Mounted Bearing UCFL205-16 + 2 Bolts Flanged Cast Housing Code: kit7344 Price: $9.95 Quantity in Basket: none 1" Mounted Bearing UCF205-16 + Square Flanged Cast Housing Code: Kit7358 Price: $9.95 Quantity in Basket: none 1" Mounted Bearing UCP205-16 + Pillow Block Cast Housing Code: Kit7369 Price: $9.95 Quantity in Basket: none R16-2RS Bearing 1"x2"x1/2" Sealed Code: Kit7484 Price: $9.95 Quantity in Basket: none R16ZZ Bearing 1"x 2"x 1/2" Shielded Code: Kit7531 Price: $9.95 Quantity in Basket: none 1641-2RS Bearing 1"x2"x9/16" Sealed Code: Kit7639 Price: $9.95 Quantity in Basket: none R16 Full Ceramic Bearing 1"x2"x1/2" Code: Kit7773 Price: $99.00 Quantity in Basket: none 1641ZZ Bearing 1"x2"x9/16" Shielded Code: Kit7777 Price: $12.95 Quantity in Basket: none 6205-2RS-16 Bearing 1"x52x15 Sealed Code: Kit7940 Price: $19.00 Quantity in Basket: none