Spur Gears - Norfolk Bearings and Supply Company, Inc.
Spur Gears - Norfolk Bearings and Supply Company, Inc.
Spur Gears - Norfolk Bearings and Supply Company, Inc.
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F<br />
BEAR-N-BRONZE 660 Cast Bronze <strong>Bearings</strong><br />
Plain Cylindrical <strong>Bearings</strong><br />
B A<br />
STANDARD TOLERANCES<br />
Dimensions Tolerance<br />
A<br />
3/16 – 3<br />
3-1/4 – 4-1/2<br />
±.001<br />
±.0015<br />
B<br />
5/16 – 3<br />
3-1/8 – 5<br />
+.002 to +.003<br />
+.003 to +.005<br />
C All ±.005<br />
STANDARD CONCENTRICITY<br />
Dimensions T.I.R. (A to B)<br />
A All .003<br />
For Oil Grooves see Page 179.<br />
C<br />
ALL DIMENSIONS IN INCHES<br />
ORDER BY CATALOG NUMBER OR ITEM CODE<br />
A B C<br />
Catalog<br />
Number<br />
Item<br />
Code<br />
A B C<br />
Catalog<br />
Number<br />
Item<br />
Code<br />
1/2 M35-4 31308<br />
1-1/2 M816-12 31460<br />
3/16 5/16 3/4 M35-6 31310 1/2 1 2 M816-16 31462<br />
1 M35-8 31312<br />
2-1/4 M816-18 31464<br />
3/4 M46-6 31314<br />
1 M911-8 31466<br />
3/8 1 M46-8 31316<br />
1-1/4 M911-10 31468<br />
1/4<br />
7/16<br />
1-1/4<br />
3/4<br />
1<br />
1-1/4<br />
M46-10<br />
M47-6<br />
M47-8<br />
M47-10<br />
31318<br />
31320<br />
31322<br />
31324<br />
11/16<br />
1-1/2<br />
1-3/4<br />
2<br />
2-1/4<br />
M911-12<br />
M911-14<br />
M911-16<br />
M911-18<br />
31470<br />
31472<br />
31474<br />
31476<br />
5/16<br />
3/8<br />
7/16<br />
1/2<br />
1/2<br />
9/16<br />
5/8<br />
9/16<br />
3/4<br />
1<br />
1-1/4<br />
3/4<br />
1<br />
1-1/4<br />
3/4<br />
1<br />
1-1/4<br />
1-1/2<br />
3/4<br />
1<br />
1-1/4<br />
3/4<br />
1<br />
1-1/4<br />
1-1/2<br />
1<br />
1-1/4<br />
1-1/2<br />
M57-6<br />
M57-8<br />
M57-10<br />
M58-6<br />
M58-8<br />
M58-10<br />
M68-6<br />
M68-8<br />
M68-10<br />
M68-12<br />
M69-6<br />
M69-8<br />
M69-10<br />
M610-6<br />
M610-8<br />
M610-10<br />
M610-12<br />
M79-8<br />
M79-10<br />
M79-12<br />
31326<br />
31328<br />
31330<br />
31332<br />
31334<br />
31336<br />
31338<br />
31340<br />
31342<br />
31344<br />
31346<br />
31348<br />
31350<br />
31362<br />
31364<br />
31366<br />
31368<br />
31352<br />
31354<br />
31356<br />
9/16<br />
3/4<br />
13/16<br />
7/8<br />
3/4<br />
1<br />
1-1/4<br />
1-1/2<br />
1-3/4<br />
2<br />
2-1/2<br />
1<br />
1-1/4<br />
1-1/2<br />
1-3/4<br />
2<br />
1<br />
1-1/2<br />
2<br />
1<br />
1-1/8<br />
1-1/4<br />
1-1/2<br />
1-3/4<br />
2<br />
2-1/4<br />
M912-8<br />
M912-10<br />
M912-12<br />
M912-14<br />
M912-16<br />
M912-20<br />
M913-8<br />
M913-10<br />
M913-12<br />
M913-14<br />
M913-16<br />
M914-8<br />
M914-12<br />
M914-16<br />
M1012-8<br />
M1012-9<br />
M1012-10<br />
M1012-12<br />
M1012-14<br />
M1012-16<br />
M1012-18<br />
31480<br />
31482<br />
31484<br />
31486<br />
31488<br />
31492<br />
31494<br />
31496<br />
31498<br />
31500<br />
31502<br />
31506<br />
31508<br />
31510<br />
31512<br />
31514<br />
31516<br />
31518<br />
31520<br />
31522<br />
31524<br />
1 M710-8 31370<br />
2-1/2 M1012-20 31526<br />
7/16<br />
5/8<br />
1-1/4<br />
1-1/2<br />
2<br />
M710-10<br />
M710-12<br />
M710-16<br />
31372<br />
31374<br />
31376<br />
1<br />
1-1/4<br />
1-1/2<br />
M1013-8<br />
M1013-10<br />
M1013-12<br />
31528<br />
31530<br />
31532<br />
11/16 1-1/2 M711-12 31378<br />
13/16 1-3/4 M1013-14 31534<br />
3/4<br />
1<br />
1-1/4<br />
1-1/2<br />
M712-8<br />
M712-10<br />
M712-12<br />
31380<br />
31382<br />
31384<br />
2<br />
2-1/4<br />
2-1/2<br />
M1013-16<br />
M1013-18<br />
M1013-20<br />
31536<br />
31538<br />
31540<br />
13/16<br />
5/8<br />
11/16<br />
1-1/2<br />
5/8<br />
3/4<br />
7/8<br />
1<br />
1-1/4<br />
1-3/8<br />
1-1/2<br />
1-3/4<br />
2<br />
2-1/4<br />
3/4<br />
1<br />
1-1/4<br />
1-1/2<br />
1-3/4<br />
2<br />
2-1/4<br />
M713-12<br />
M810-5<br />
M810-6<br />
M810-7<br />
M810-8<br />
M810-10<br />
M810-11<br />
M810-12<br />
M810-14<br />
M810-16<br />
M810-18<br />
M811-6<br />
M811-8<br />
M811-10<br />
M811-12<br />
M811-14<br />
M811-16<br />
M811-18<br />
31386<br />
31388<br />
31390<br />
31392<br />
31394<br />
31396<br />
31398<br />
31400<br />
31402<br />
31404<br />
31406<br />
31408<br />
31410<br />
31412<br />
31414<br />
31416<br />
31418<br />
31420<br />
5/8<br />
7/8<br />
15/16<br />
1<br />
3/4<br />
1<br />
1-1/4<br />
1-1/2<br />
1-3/4<br />
2<br />
2-1/4<br />
2-1/2<br />
3<br />
1<br />
1-1/2<br />
2-1/2<br />
1<br />
1-1/2<br />
2<br />
2-1/4<br />
2-1/2<br />
3<br />
M1014-6<br />
M1014-8<br />
M1014-10<br />
M1014-12<br />
M1014-14<br />
M1014-16<br />
M1014-18<br />
M1014-20<br />
M1014-24<br />
M1015-8<br />
M1015-12<br />
M1015-20<br />
M1016-8<br />
M1016-12<br />
M1016-16<br />
M1016-18<br />
M1016-20<br />
M1016-24<br />
31542<br />
31544<br />
31548<br />
31550<br />
31552<br />
31554<br />
31556<br />
31558<br />
31560<br />
31562<br />
31564<br />
31568<br />
31570<br />
31572<br />
31574<br />
31576<br />
31578<br />
31580<br />
1/2 2-1/2 M811-20 31422<br />
1-1/2 M1018-12 31582<br />
3/4<br />
1<br />
M812-6<br />
M812-8<br />
31424<br />
31426<br />
1-1/8 2<br />
2-1/4<br />
M1018-16<br />
M1018-18<br />
31584<br />
31586<br />
1-1/4 M812-10 31428<br />
1 M1113-8 31588<br />
3/4<br />
1-1/2<br />
1-3/4<br />
M812-12<br />
M812-14<br />
31430<br />
31432<br />
13/16<br />
1-1/2<br />
1-3/4<br />
M1113-12<br />
M1113-14<br />
31592<br />
31594<br />
2 M812-16 31434<br />
2 M1113-16 31596<br />
13/16<br />
2-1/4<br />
2-1/2<br />
2-3/4<br />
1<br />
1-1/2<br />
M812-18<br />
M812-20<br />
M812-22<br />
M813-8<br />
M813-12<br />
31436<br />
31438<br />
31440<br />
31442<br />
31444<br />
11/16<br />
7/8<br />
1<br />
1-1/4<br />
1-1/2<br />
2<br />
2-1/2<br />
M1114-8<br />
M1114-10<br />
M1114-12<br />
M1114-16<br />
M1114-20<br />
31600<br />
31602<br />
31604<br />
31608<br />
31612<br />
2-1/4 M813-18 31446<br />
1 M1115-8 31614<br />
1<br />
1-1/4<br />
M814-8<br />
M814-10<br />
31448<br />
31450<br />
15/16<br />
1-1/4<br />
1-1/2<br />
M1115-10<br />
M1115-12<br />
31616<br />
31618<br />
7/8 1-1/2 M814-12 31452<br />
2-1/2 M1115-20 31626<br />
1-3/4<br />
2<br />
M814-14<br />
M814-16<br />
31454<br />
31456<br />
1<br />
1-1/4<br />
2-1/4<br />
M1116-10<br />
M1116-18<br />
31628<br />
31634<br />
1 1 M816-8 31458<br />
2-1/2 M1116-20 31636<br />
146 Boston Gear 800-825-6544 P-1930-BG 04/10
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