Heavy Duty Mounted Bearing Insert UC312 60mm Axle Insert Mounted BearingUC312 Heavy Duty Mounted Bearing Insert 60mm x 130mm x 71mm UC312 Heavy Duty Mounted Bearing Insert. Inner diameter is 60mm, outer diameter is 130mm, and width is 71mm. UC312 Heavy Duty Mounted Bearing Insert Type:: Mounted Insert Ball Bearing Static Load kN: 52. 2 KN Dynamic Load kN: 81. 9 KN Size: 60mm x 130mm x 71mm Quantity: 1 Bearing