Pulley Outside Dia.
3.75 in
4L, A, or AX Belt Pitch Dia.
2.39 in to 3.62 in
5L, B, or BX Belt Pitch Dia.
2.95 in to 3.77 in
For V-Belt Section
3L, 4L, 5L, A, AX, B, BX
3L Belt Pitch Dia.
2.26 in to 3.18 in
Pulley Type
Variable Pitch V-Belt Pulley
Item
Variable Pitch V-Belt Pulley
Pulley Bore Type
Fixed Bore
Keyway Size Type
No Keyway
Keyway Width
Not Applicable
B Pitch Diameter (Minimum)
2.7 in
Minimum Pitch Diameter
2.3 in (3L), 2.4 in (4L, A), 2.7 in (5L, B)
5L Pitch Diameter (Maximum)
3.7 in
BX Pitch Diameter (Maximum)
3.7 in
4L Pitch Diameter (Minimum)
2.4 in
B Pitch Diameter (Maximum)
3.7 in
4L Pitch Diameter (Maximum)
3.4 in
For Belt Trade Size
3L, 4L, 5L, A, AX, B, BX
3L Pitch Diameter (Maximum)
3.1 in
3L Pitch Diameter (Minimum)
2.3 in
A Pitch Diameter (Minimum)
2.4 in
Keyway Depth
Not Applicable
Maximum Pitch Diameter
3.1 in (3L), 3.4 in (4L, A), 3.7 in (5L, B)
For V-Belt Type
Classical, Cogged
A Pitch Diameter (Maximum)
3.4 in
BX Pitch Diameter (Minimum)
2.7 in
AX Pitch Diameter (Minimum)
2.4 in
5L Pitch Diameter (Minimum)
2.7 in
AX Pitch Diameter (Maximum)
3.4 in
CX Pitch Diameter (Minimum)
Not Applicable
C Pitch Diameter (Minimum)
Not Applicable
3VX Pitch Diameter Minimum)
Not Applicable
5V Pitch Diameter (Minimum)
Not Applicable
Maximum Face Width
1.063 in
5VX Pitch Diameter (Minimum)
Not Applicable
5VX Pitch Diameter (Maximum)
Not Applicable
Number of Turns
4 (3L); 5 (4L, A); 6 (5L, B)
3V Pitch Diameter (Minimum)
Not Applicable
Minimum Face Width
0.688 in
3VX Pitch Diameter (Maximum)
Not Applicable
CX Pitch Diameter (Maximum)
Not Applicable
C Pitch Diameter (Maximum)
Not Applicable
Length through Bore
1 7/8 in
3V Pitch Diameter (Maximum)
Not Applicable
5V Pitch Diameter (Maximum)
Not Applicable
Pulley Industry Number
1VP40
Country of Origin (subject to change)
Multiple
