Page 280 - needle bearings
P. 280
Thrust cylindrical roller bearing
NTN
Type 811
Type 812 T ПDW
r
r
ПDПD1 ПdПd1 ПDcПDc1 ПEb ПEa
Type 811 Type K811, type K812
Type 812 (Thrust needle roller
(Bearing) and cage assy)
d 140ʙ160mm
Boundary dimensions Basic load ratings Limiting speeds
dynamic static dynamic static
mm N kgf r/min
d D d1 D1 T Dc1 Dc Dw B rs min 1) grease oil
ʵ0.2 ʴ0.5 E11 a13 0 h11
ʵ0.5 ʴ0.2 ʵ0.010 Ca Coa Ca Coa
180 178 142 31 140 180 12 9.5 1 206 000 815 000 21 000 83 000 380 1 500
140
200 197 143 46 140 200 19 13.5 1.5 370 000 1 280 000 38 000 130 000 350 1 400
150 190 188 152 31 150 190 12 9.5 1 214 000 870 000 21 800 89 000 350 1 400
160 200 198 162 31 160 200 12 9.5 1 221 000 930 000 22 600 95 000 330 1 300
Note 1) Allowable minimum chamfer dimension r .
B-218