Page 192 - needle bearings
P. 192
Inner rings
NTN
Inch series
Type MI
d 34.925ʙ98.425mm
Boundary dimensions Bearing numbers Abutment Mass
dimensions
mm (!/25 . 4mm) mm kg
da ras
d F 1) B rs min 2) t min max (approx.)
34.925(1 #/8) 44.450(1 #/4) 0 32.00 1.5 2 MI-222820 41.5 1.5 0.146
ʵ0.011
44.450(1 #/4) 0 19.30 1.5 2 MI-242812 43 1.5 0.062
38.100(1 !/2) ʵ0.011
44.450(1 #/4) 25.65 1.5 2 MI-242816 43 1.5 0.083
39.688(1 (/16) 47.625(1 &/8) 0 32.00 1.5 2 MI-253020 46 1.5 0.136
ʵ0.011
50.800(2) ʴ0.008 25.65 1.5 2 MI-263216 48 1.5 0.140
41.275(1 %/8) ʵ0.004
50.800(2) 32.00 1.5 2 MI-263220 48 1.5 0.175
57.150(2 !/4) ʴ0.008 38.35 1.5 2 MI-283624 51 1.5 0.310
44.450(1 #/4) ʵ0.004
57.150(2 !/4) 44.70 1.5 2 MI-283628 51 1.5 0.360
63.500(2 !/2) 0 38.35 2 2 MI-324024 59 2 0.340
50.800(2) ʵ0.013
63.500(2 !/2) 44.70 2 2 MI-324028 59 2 0.420
69.850(2 #/4) 25.65 2 2.2 MI-364416 65 2 0.257
0
57.150(2 !/4) 69.850(2 #/4) ʵ0.013 38.35 2 2.2 MI-364424 65 2 0.384
69.850(2 #/4) 44.70 2 2.2 MI-364428 65 2 0.447
76.200(3) 0 38.35 2 2.2 MI-404824 71.5 2 0.417
63.500(2 !/2) ʵ0.013
76.200(3) 44.70 2 2.2 MI-404828 71.5 2 0.486
82.550(3 !/4) 0 44.70 2 2.2 MI-425228 74.5 2 0.648
66.675(2 %/8) ʵ0.015
82.550(3 !/4) 51.05 2 2.2 MI-425232 74.5 2 0.740
0
69.850(2 #/4) 82.550(3 !/4) ʵ0.015 44.70 2 2.2 MI-445228 78 2 0.530
88.900(3 !/2) 0 44.70 2 2.2 MI-485628 84 2 0.574
76.200(3) ʵ0.015
88.900(3 !/2) 51.05 2 2.2 MI-485632 84 2 0.655
0
79.375(3 !/8) 95.250(3 #/4) ʵ0.015 51.05 2.5 2.2 MI-506032 88.5 2.5 0.862
0
85.725(3 #/8) 101.600(4) ʵ0.015 51.05 2.5 2.5 MI-546432 94.5 2.5 0.930
0
92.075(3 %/8) 107.950(4 !/4) ʵ0.015 51.05 2.5 2.5 MI-586832 101 2.5 1.00
0
95.250(3 #/4) 114.300(4 !/2) ʵ0.015 57.40 2.5 2.5 MI-607236 104 2.5 1.40
114.300(4 !/2) 0 57.40 2.5 2.5 MI-627236 107.5 2.5 1.15
98.425(3 &/8)
114.300(4 !/2) ʵ0.015 63.88 2.5 2.5 MI-627240 107.5 2.5 1.28
Note 1) Dimensional tolerance to secure ordinary clearance when any of these inner rings is combined with needle roller bearing with no inner ring.
2) Allowable minimum chamfer dimension r .
B-130