Pulley Outside Dia.
4.75 in
5L, B, or BX Belt Pitch Dia.
3.95 in to 4.77 in
For V-Belt Section
3L, 4L, 5L, A, AX, B, BX
Keyway Size Type
0.250 in x 0.125 in
Pulley Bore Type
Fixed Bore
Item
Variable Pitch V-Belt Pulley
3L Belt Pitch Dia.
3.26 in to 4.18 in
Pulley Type
Variable Pitch V-Belt Pulley
4L, A, or AX Belt Pitch Dia.
3.39 in to 4.62 in
5L Pitch Diameter (Minimum)
3.7 in
Minimum Pitch Diameter
3.3 in (3L), 3.4 in (4L, A), 3.7 in (5L, B)
BX Pitch Diameter (Maximum)
4.7 in
AX Pitch Diameter (Minimum)
3.4 in
B Pitch Diameter (Minimum)
3.7 in
Maximum Pitch Diameter
4.1 in (3L), 4.4 in (4L, A), 4.7 in (5L, B)
4L, A, or AX Belt Pitch Diameter
3.39 in to 0.62 in
AX Pitch Diameter (Maximum)
4.4 in
BX Pitch Diameter (Minimum)
3.7 in
B Pitch Diameter (Maximum)
4.7 in
A Pitch Diameter (Minimum)
3.4 in
4L Pitch Diameter (Maximum)
4.4 in
4L Pitch Diameter (Minimum)
3.4 in
3L Belt Pitch Diameter
3.26 in to 4.18 in
For Belt Trade Size
3L, 4L, 5L, A, AX, B, BX
5L, B, or BX Belt Pitch Diameter
3.95 in to 4.77 in
3L Pitch Diameter (Minimum)
3.3 in
For V-Belt Type
Classical, Cogged
A Pitch Diameter (Maximum)
4.4 in
3L Pitch Diameter (Maximum)
4.1 in
5L Pitch Diameter (Maximum)
4.7 in
5VX Pitch Diameter (Maximum)
Not Applicable
CX Pitch Diameter (Minimum)
Not Applicable
3VX Pitch Diameter Minimum)
Not Applicable
Maximum Face Width
1.125 in
Number of Turns
4 (3L); 5 (4L, A); 6 (5L, B)
3V Pitch Diameter (Minimum)
Not Applicable
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
5VX Pitch Diameter (Minimum)
Not Applicable
5V Pitch Diameter (Maximum)
Not Applicable
Minimum Face Width
0.75 in
3V Pitch Diameter (Maximum)
Not Applicable
5V Pitch Diameter (Minimum)
Not Applicable
C Pitch Diameter (Minimum)
Not Applicable
Pulley Industry Number
1VP50
Country of Origin (subject to change)
Multiple
