QTL TAPER BUSHINGS
15
BORE & KEYWAY DIMENSIONS • A2
D
W
Ref: Bore +D
Depth measured at center line
ISO STANDARD METHOD
FOR MEASURING KEYSEAT
DEPTH
Bores
Key Seat
Key
1/2-9/16
1/8x1/16
1/8x1/8
5/8-7/8
3/16x3/32
3/16x3/16
15/16-
1
1/4
1/4x1/8
1/4x1/4
1
5/16-
1
3/8
5/16x5/32
5/16x5/16
1
7/16-
1
3/4
3/8x3/16
3/8x3/8
1
13/16-
2
1/4
1/2x1/4
1/2x1/2
2
5/16-
2
3/4
5/8x5/16
5/8x5/8
2
13/16-
3
1/4
3/4x3/8
3/4x3/4
3
5/16-
3
3/4
7/8x7/16
7/8x7/8
3
13/16-
4
1/2
1
x1/2
1
x
1
4
9/16-
5
1/2
1
1/4x5/8
1
1/4x
1
1/4
5
9/16-
6
1/2
1
1/2x3/4
1
1/2x
1
1/2
6
9/16-
7
1/2
1
3/4x7/8
1
3/4x
1
3/4
Dimensions:inch
Key Seat
Key
Key Seat
Key
3/8x1/16
3/8x1/4
7/8x3/16
7/8x5/8
3/8x1/8
3/8x5/16
1
x1/16
1
x9/16
1/2x1/32
1/2x9/32
1
x1/8
1
x5/8
1/2x1/16
1/2x5/16
1
1/4x1/4
1
1/4x3/4
1/2x1/8
1/2x3/8
1
1/4x1/4
1
1/4x7/8
5/8x1/16
5/8x3/8
1
1/2x1/8
1
1/2x
1
5/8x3/16
5/8x1/2
1
3/4x3/8
1
3/4x3/4
3/4x1/8
3/4x1/2
1
3/4x3/8
1
3/4x
1
7/8x1/16
7/8x1/2
2
x5/16
2x1
Dimensions:inch
4
7/16
4
1/2
4
5/8
4
3/4
4
7/8
4
15/16
5
5
1/4
5
3/8
5
7/16
5
1/2
5
5/8
5
3/4
5
7/8
2
15/16
3
3
1/8
3
3/16
3
1/4
3
5/16
3
3/8
3
7/16
3
1/2
3
5/8
3
3/4
3
7/8
3
15/16
4
4
1/8
4
3/16
4
1/4
4
3/8
4
7/16
4
1/2
4
5/8
4
3/4
4
7/8
4
15/16
5
5
1/4
5
3/8
5
7/16
5
1/2
5
5/8
5
3/4
5
7/8
5
15/16
6
6
1/4
6
3/8
6
1/2
6
5/8
6
3/4
6
7/8
7
4
4
1/8
4
3/16
4
1/4
4
3/8
4
7/16
4
1/2
4
5/8
4
3/4
4
7/8
4
15/16
5
5
1/4
5
3/8
5
7/16
5
1/2
5
5/8
5
3/4
5
7/8
5
15/16
6
6
1/4
6
3/8
6
1/2
1
1/4x5/8
1
1/4x1/4
1
1/2x1/4
3/4x3/8
7/8x7/16
1
x1/2
1
x1/2
1
1/4x5/8
1
1/2x3/4
1
1/2x1/4
1
3/4x1/8
1
x1/2
1
1/4x5/8
1
1/2x3/4
6
5/8
6
3/4
6
7/8
7
7
1/4
7
3/8
7
1/2
7
5/8
7
3/4
7
7/8
8
8
1/4
8
3/8
8
1/2
1
3/4x7/8
2
x1/4
N
P
P
W
W
P
Bush Bore Keyway Bush Bore Keyway Bush Bore Keyway Bush Bore Keyway
A2 • BORE AND KEYWAY DIMENSIONS
Bush.
Min.
Max.Bore with:
No.
Bore
Full
Shallow No
Keyway Keyway Keyway
JA
3/8
1
1
3/16
1
1/4
SH
1/2
1
3/8
1
5/8
1
11/16
SDS
1/2
1
5/8
1
15/16
2
SD
1/2
1
5/8
1
15/16
2
SK
1/2
2
1/8
2
1/2
2
5/8
2
9/16
SF
1/2
2
1/4
2
7/8
2
15/16
E
7/8
2
7/8
3
1/2
-
F
1
3
1/4
3
15/16
4
J
1
1/2
3
13/16
4
1/2
-
M 2
4
11/16
5
1/2
-
N 2
7/16
5
1/16
5
7/8
-
P 2
15/16
5
13/16
7
-
W 4
7
1/2
8
1/2
-
S
6
8
1/4
10
-
BORE RANGE • QTL
SHALLOW KEY DIMENSION
STANDARD KEYWAY & KEY DIMENSION
= shallow keyseat
BUSHINGS
See page 14 and 15 for Bore and
Keyway width and depth dimensions
TM
®