Spur Gears - Norfolk Bearings and Supply Company, Inc.

SHAFT HEIGHT DIMENSIONS IN INCHES
Low Backing High Backing
Bore A B H A B H
1/2
5/8
1-1/16 2-5/32 1/2 1-3/16 2-9/32 5/8
3/4
7/8
1-1/4 2-15/32 9/16 1-5/16 2-17/32 5/8
15/16
1
1-1/8
1-5/16 2-21/32 5/8 1-7/16 2-25/32 3/4
1-3/16
1-1/4S
1-1/4
1-9/16 3-1/8 3/4 1-11/16 3-1/4 7/8
1-5/16
1-3/8
1-7/16
1-13/16 3-11/16 1 1-7/8 3-3/4 1-1/16
1-1/2
1-5/8
1-15/16 4 1-1/8 2 4-1/16 1-3/16
1-11/16
1-3/4
2-1/16 4-1/4 1-1/4 2-1/8 4-5/16 1-5/16
1-15/16 2-3/16 4-1/2 1-3/8 2-1/4 4-9/16 1-7/16
2
2-3/16
2-7/16 4-15/16 1-1/2 2-1/2 5 1-9/16
2-1/4
2-7/16
2-11/16 5-7/16 1-5/8 2-3/4 5-1/2 1-11/16
Mounted Ball Bearings
SL/SH Series
Pillow Blocks – Standard Duty; Extended Inner Race – Setscrew Locking
ALL DIMENSIONS IN INCHES
STANDARD TOLERANCES
Dimensions Tolerance
Bore All +.0012 to –.0000
Bore C
Min.
E
Max.
F G J K L P
R*
Setscrew
(UNF)
S Bolt
Size
Approx.
Wt. (Lbs.)
L H
1/2
5/8
1-3/8 3-5/16 4 5-1/16 1-1/2 7/16 25/32 9/32 31/32 10-32 5/8 3/8 1.25 1.38
3/4
7/8
1-1/2 3-7/16 4-1/8 5-1/4 1-9/16 7/16 25/32 1/2 1-11/64 10-32 23/32 3/8 1.75 1.75
15/16
1
1-1/8
1-37/64 3-3/4 4-1/4 5-1/2 1-5/8 7/16 11/16 9/16 1-21/64 10-32 25/32 3/8 2.00 2.00
1-3/16
1-1/4S
1-1/4
1-3/4 4-5/16 4-15/16 6-1/4 1-3/4 9/16 7/8 5/8 1-39/64 1/4-28 7/8 3/8 2.75 2.88
1-5/16
1-3/8
1-7/16
1-15/16 4-3/4 5-3/8 6-11/16 1-7/8 9/16 7/8 11/16 1-27/32 1/4-28 1 1/2 4.25 4.50
1-1/2
1-5/8
2-3/16 5-1/4 5-13/16 7-1/4 2 9/16 27/32 3/4 2-3/32 5/16-24 1-3/16 1/2 5.63 5.75
1-11/16
1-3/4
2-33/64 5-9/16 6-1/8 7-3/4 2-1/8 9/16 27/32 3/4 2-17/64 5/16-24 1-3/16 1/2 6.63 6.75
1-15/16 2-13/32 6-1/16 6-5/8 8-1/4 2-1/4 11/16 31/32 3/4 2-29/64 5/16-24 1-5/16 5/8 8.25 8.25
2
2-3/16
2-1/2 6-7/16 7-3/8 8-7/8 2-3/8 11/16 1-5/32 7/8 2-23/32 5/16-24 1-5/16 5/8 10.00 10.25
2-1/4
2-7/16
2-13/16 6-15/16 7-7/8 9-5/8 2-1/2 11/16 1-5/32 1 3-1/32 3/8-24 1-9/16 5/8 12.25 12.38
*2 at 120°
For Load Ratings, see Engineering Section, Page 237.
P-1930-BG 04/10 Boston Gear 800-825-6544 221
E MIN.
E MAX.
F
K
H
B
R
P
S L
J
G
C
A
F