26 Inch Four-Point Contact 671x886.8x63mm Ball Slewing Ring Bearing - Outside Gear Inner Diameter - 10mm 6912DU is closed with rubber

6912DU is closed with rubber seals to protect the bearing from dust or any possible contamination

7006 Single Row Angular Contact Spindle Ball Bearings P5 Premium ABEC-5 Quality

this bearing is ideal for electric motors

MUP4 Pillow Block Bearing - 1/4" ID

the NU317MY inner diameter is 85mm

26 Inch Four-Point Contact 671x886.8x63mm Ball Slewing Ring Bearing - Outside Gear Inner Diameter - 10mm 6912DU is closed with rubber26 Inch Four Point Contact 671x886. 8x63 mm Ball Slewing Ring Bearing with Outside Gear Four Point Contact Ball Slewing Bearing with Outside Gear A slewing bearing ring is a rotational rolling element bearing that typically supports a heavy but slow turning or slow oscillating load, often a horizontal platform such as a conventional crane, or the wind facing platform of a horizontal axis windmill. (To 'slew' means to turn without change of place.)