Modified Stock Gearing - Boston Gear

BOStonE Molded Plastic Bearings
Extra Length – Blind Bore Bearing Inserts
Extra length Blind Bore inserts are available for Roll End
Bearings from 1-3/4" to 6" outside diameter. All Blind Bore
Bearing inserts listed below are made from Nylatron GS and
are designed to press fit into 3/4" I.D. Roll End Bearings.
ALL DIMENSIONS IN INCHES
ORDER BY CATALOG NUMBER OR ITEM CODE
Roll
End Max. Catalog Item
A* B C
D
Brg.
Depth Number Code
Bore
7/16 F7612B 57482
3/4
1/2
F8612B 57483
1 1-1/2 1-3/8 1/16
9/16 F9612B 57484
5/8 F10612B –
7/16 F7616B 57486
3/4
1/2
F8616B 57487
1 2 1-7/8 1/16
9/16 F9616B 57488
5/8 F10616B 57489
B
A
C
BEARING
F
* These dimensions are approximately 1/64" larger than listed.
D
PRESS FIT INTO
ROLL END BRG.
BORE
Roll End Adapter for Hex Shaft
Hex shaft adapter bushings are available for Roll End
Bearings from 1" to 6" outside diameter. All hex shaft adapter
bushings are made from Nylatron GS and are designed to
provide a running fit with the Roll End Bearing bores listed
below.
ALL DIMENSIONS IN INCHES
ORDER BY CATALOG NUMBER OR ITEM CODE
A Roll
Hex End Catalog Item
B C D
Shaft Brg.
Number Code
Size Bore +
5/16 1/2 3/4 7/8 1/16 FH547 57479
7/16 5/8 7/8 1 1/16 FH758 57481
5/8 7/8* 1-1/8 1-1/4 3/32 FH10710 57707
11/16 7/8* 1-1/8 1-1/4 3/32 FH11710 57708
B
C
ADAPTOR
BUSHING
*7/8" I.D. Roll End Bearings are not available from stock. They may be
machined from any 3/4" bore size. Prices on application.
+I.D. of “AF” Roll End bearings may have to be enlarged approximately 1/64"
to obtain proper clearance.
D
A
RUNNING FIT
WITH ROLL END
BEARING BORE
P-1930-BG 04/10 Boston Gear 800-825-6544 169