Cylindrical Roller Bearings - Norfolkbearings.com
Cylindrical Roller Bearings - Norfolkbearings.com
Cylindrical Roller Bearings - Norfolkbearings.com
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Dimensions and Ratings<br />
Rotational or lateral movement of an outer ring can be<br />
prevented by doweling the ring in the housing. This<br />
method of mounting is used with either loosely fitted or<br />
heavily fitted rings as a precautionary measure. It is<br />
important that the blind dowel hole in the ring be located<br />
outside the load zone of the bearing.<br />
The dowel holes are located centrally in the width of the<br />
outer ring and are identified by a letter “H” in the suffix<br />
of the bearing part number. Example: MR1310EHL. The<br />
dowel hole dimensions for each bearing size are charted<br />
below.<br />
Outer Ring Dowel Holes<br />
A<br />
B<br />
Basic Bearing Number<br />
A<br />
B<br />
‘M’ Series<br />
‘W’ Series<br />
Hole<br />
Hole<br />
1900 1000<br />
1300<br />
Diameter<br />
Depth<br />
1200<br />
61300<br />
7300 61900 61000 61200 67200<br />
5200<br />
67300<br />
Inch/mm<br />
5300<br />
Nominal Maximum Minimum Maximum<br />
911 007 7 205 304 911 0077 205 0.281 0.600 0.06 0.040<br />
THRU THRU THRU THRU THRU THRU THRU 7.14 1.52 1.02<br />
916 010 206 305 920 011 207<br />
917 011 207 921 012 208 0.281 0.080 0.060<br />
THRU THRU THRU THRU THRU THRU 7.14 2.03 1.52<br />
924 017 210 924 017 210<br />
18 018 207 207 0.312 0.312 0.08 0.06 0.08 0.060<br />
THRU THRU 211 THRU 211 THRU 7.92 2.03 7.92 1.52 2.03 1.52<br />
21 021 211 211<br />
926 018 211 306 925 212 0.312 0.110 0.090<br />
THRU THRU THRU THRU THRU THRU THRU THRU THRU THRU THRU THRU 7.92 7.92 2.79 2.79 2.29 2.29<br />
928 021 215 309 228 216<br />
928 21 215 309 928 216<br />
930 930 22 022 0.375 0.375 0.11 0.110 0.09 0.090<br />
THRU THRU 9.52 2.79 2.29<br />
THRU THRU<br />
934 024<br />
9.52 2.79 2.29<br />
934 24<br />
930 022 216 310 936 026 0.375 0.140 0.120<br />
THRU 930 THRU 22 THRU 216 THRU 310 THRU 936 THRU 26 0.375 9.52 0.14 3.56 0.12 3.05<br />
THRU 938 THRU 028 THRU 217 THRU 313 THRU 948 THRU 028<br />
9.52 3.56 3.05<br />
938 28 217 313 948 28<br />
212<br />
212<br />
THRU 312<br />
312<br />
THRU 0.438<br />
0.438<br />
11.13 0.11<br />
0.110<br />
0.09 2.79<br />
0.090<br />
2.29<br />
THRU THRU 216 11.13 313 2.79 2.29<br />
216<br />
217<br />
313<br />
217 0.438 0.140 0.120<br />
217 THRU 217 THRU 0.438 11.13 0.14 0.12 3.56 3.05<br />
THRU THRU 218 218 11.13 3.56 3.05<br />
940 030 218 314 952<br />
218<br />
030<br />
218<br />
219 219 314 0.438 0.180 0.160<br />
THRU 940 THRU 30 THRU 218 THRU 314 THRU 952 THRU 30 THRU 219 THRU 219 THRU 314 0.438 11.13 0.108 4.57 0.16 4.06<br />
THRU 964 THRU 064 THRU 228 THRU 321 THRU 964 THRU 064 THRU 232 THRU 232 THRU 320 11.13 4.57 4.06<br />
964<br />
230<br />
64 228<br />
322<br />
321 964 64 232 232 320<br />
0.500 0.210 0.180<br />
THRU<br />
230<br />
THRU<br />
322 0.5 0.21 12.7 0.18 5.33 4.57<br />
264 340<br />
THRU THRU 12.7 5.33 4.57<br />
264 340<br />
234 234 0.500 0.210 0.190<br />
THRU THRU 12.7 5.33 4.83<br />
234 264 234 264 0.5 0.21 0.19<br />
THRU THRU 12.7 5.33 4.83<br />
264 264<br />
81
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