Bearing ring (inner ring) WS mass NTN 81210T2 Thrust cylindrical roller bearings

d:50 mm; D:78 mm; d1:78 mm; D1:52 mm; T:22 mm; Dc1:50 mm; Dc:78 mm; Dw:9 mm; Lw:9 mm; rs min:1 mm; Cage assembly reference:K81210T2; Bearing ring (inner ring) WS:WS81210; Bearing ring (outer ring) GS:GS81210; Ea:73.1 mm; Eb:53.7 mm; Mass:0.38 kg; Cage assembly mass:0.1 kg; Bearing ring (inner ring)