Needle Roller Bearings - Ntn-snr.com

Machined-ring needle roller bearings
NTN
Inch series
Without inner ring
Type MR
FW
196.850234.950mm
Boundary dimensions Basic load ratings Limiting speeds
dynamic static dynamic static
mm N kgf r/min
grease oil
Fw D C rs min 1) Cr Cor Cr Cor (approx.)
196.850(7 #/4)
+0.079
+0.050 244.475(9 %/8) 76.20(3) 3 455 000 990 000 46 500 101 000 1 300 2 000
209.550(8 !/4)
+0.079
+0.050 257.175(10 !/8) 76.20(3) 3 475 000 1 060 000 48 500 109 000 1 300 1 900
222.250(8 #/4)
+0.079
+0.050 269.875(10 %/8) 76.20(3) 4 495 000 1 140 000 50 500 116 000 1 200 1 800
234.950(9 !/4)
+0.079
+0.050 282.575(11 !/8) 76.20(3) 4 510 000 1 210 000 52 000 124 000 1 100 1 700
Note 1) Allowable minimum chamfer dimension r.
B-84