113
Heating & A/C
Machine Steel Tapered "QD" Type Bushings
Variable Pitch Cast Iron Sheaves
"QH"
"JA" to "E"
Machine Steel Tapered "QD" Type Bushings
Bushing
Dimensions, Inches
Stock Bore Range
A B H L
Bolt
Circle M
Cap
Screws
Required
Minimum
Maximum
Standard
Keyway
Standard
Keyway
Shallow
Keyway
No
Keyway
67-QH
0.350 1.6250 2 1/2 1.350
2
2 = 1/4 x 3/4
1/2
1 1/4
1 1/2
–
67-JA
5/16 1.3750 2
1 1 21/32 3 = 10 x 1
1/2
1
1 1/4
–
67-SH
3/8 1.8710 2 11/16 1 1/4 2 1/4
3 = 1/4 x 1
1/2
1 3/8
1 5/8 1 11/16
67-SDS
7/16 2.1875 3 3/16 1 5/16 2 11/16 3 = 1/4 x 1 1/4 1/2
1 11/16 1 15/16
2
67-SD
7/16 2.1875 3 3/16 1 13/16 2 11/16 3 = 1/4 x 2
1/2
1 11/16 1 15/16
2
67-SK
1/2 2.1875 3 7/8 1 7/8 3 5/16 3 = 5/16 x 2
1/2
2 1/8
2 1/2
2 5/8
67-SF
1/2 3.1250 4 5/8 2
3 7/8
3 = 3/8 x 2
1/2
2 1/4 2 15/16
–
67-E
7/8 3.8437 6 2 3/4
5
3 = 1/2 x 2 3/4 7/8
2 3/4
3 7/16
3 1/2
Variable Pitch Cast Iron Sheaves - Light Duty
• Single groove.
Part #
Diameter Range
Stock Bores
Marked "X"
Dimensions
"3L" Belts "4L" or "A"
Belts
"5L" or "B"
Belts
1/2 5/8 3/4 7/8 OD
F
G
L X
Min.
Pitch
Max.
Pitch
Min.
Datum
Max.
Datum
Min.
Datum
Max.
Datum
Max. Min. Max. Min.
67-1VL25
1.6 2.4
–
–
–
–
X X – –
2.50
25/32 17/32 5/8 3/8 1 1/2 37/64
67-1VL30
1.8 2.7
–
–
–
–
2.87
67-1VL34
1.7 2.5 1.9 2.9 2.4 3.2
X X X
– 3.15
1 5/8 7/8 1/2 1 11/16 37/64
67-1VL40
2.3 3.1 2.4 3.4 2.7 3.7
X
3.75
67-1VL44
2.7 3.5 2.8 3.8 3.1 4.1
4.15
67-1VL25
Illustrated
Pulleys
