Modified Stock Gearing - Boston Gear

Mounted Ball Bearings
L/H Series
Pillow Blocks – Standard Duty; Eccentric Locking Collar
SHAFT HEIGHT DIMENSIONS IN INCHES
Bore
Low Backing
High Backing
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 1-1/4 2-15/32 9/16 1-5/16 2-17/32 5/8
7/8
15/16 1-5/16 2-21/32 5/8 1-7/16 2-25/32 3/4
1
1-1/8
1-3/16 1-9/16 3-1/8 3/4 1-11/16 3-1/4 7/8
1-1/4S
1-1/4
1-5/16
1-3/8
1-13/16 3-11/16 1 1-7/8 3-3/4 1-1/16
1-7/16
1-1/2 1-15/16 4 1-1/8 2 4-1/16 1-3/16
1-5/8
1-11/16 2-1/16 4-1/4 1-1/4 2-1/8 4-5/16 1-5/16
1-3/4
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
K
F
E MIN.
E MAX.
S L
R
B
P
A
H
J
G
C
STANDARD TOLERANCES
Dimensions
Tolerance
Bore All +.0012 to –.0000
F
Bore C
ALL DIMENSIONS IN INCHES
R
Approx.
E
Setscrew
Bolt
F G J K L P
S
Wt. (Lbs.)
Min. Max.
UNF
Size
L H
1/2
5/8
1-5/8 3-5/16 4 5-1/16 1-1/2 7/16 25/32 1/4 1-9/64 1/4-28 7/8 3/8 1.1 1.2
3/4 1-45/64 3-7/16 4-1/8 5-1/4 1-9/16 7/16 25/32 19/64 1-19/64 1/4-28 59/64 3/8 1.6 1.6
7/8
15/16 1-47/64 3-7/16 4-1/4 5-1/2 1-5/8 7/16 11/16 19/64 1-1/2 1/4-28 59/64 3/8 1.9 1.9
1
1-1/8
1-3/16 1-59/64 4-5/16 4-15/16 6-1/4 1-3/4 9/16 7/8 23/64 1-3/4 5/16-24 1-3/64 1/2 2.6 2.7
1-1/4S
1-1/4
1-5/16
1-3/8 2-13/64 4-3/4 5-3/8 6-11/16 1-7/8 9/16 7/8 47/64 2-3/16 3/8-24 1-17/64 1/2 4.1 4.3
1-7/16
1-1/2 2-3/8 5-1/4 5-13/16 7-1/4 2 9/16 27/32 27/32 2-23/64 3/8-24 1-3/8 1/2 5.5 5.6
1-5/8
1-11/16 2-7/16 5-9/16 6-1/8 7-3/4 2-1/8 9/16 27/32 27/32 2-1/2 3/8-24 1-3/8 1/2 6.5 6.6
1-3/4
1-15/16 2-5/8 6-1/16 6-5/8 8-1/4 2-1/4 11/16 31/32 31/32 2-3/4 3/8-24 1-1/2 5/8 8.0 8.1
2
2-3/16
2-29/32 6-7/16 7-3/8 8-7/8 2-3/8 11/16 1-5/32 1-3/32 3 7/16-20 1-23/32 5/8 9.5 10.0
2-1/4
2-7/16
3-3/32 6-15/16 7-7/8 9-5/8 2-1/2 11/16 1-5/32 1-7/32 3-5/16 7/16-20 1-27/32 5/8 11.8 11.9
For Load Ratings, see Engineering Section, Page 237.
P-1930-BG 04/10 Boston Gear 800-825-6544 219