air compressors

Air Compressor Motor Pulleys/Guards/Belts

 
CASTAIR Motor Pulleys

O.D.
SHAFT SIZE"
# GROOVES
PART #
4" 5/8" fixed bore 1A P1A40-5/8
4" 5/8" fixed bore 1B P1B40-5/8
4" 7/8" fixed bore 1B P1B40-7/8
2.5" 7/8" fixed bore 2B P2B25-7/8
3.35" 7/8" fixed bore 2B P2B335-7/8
3.55" Hub 2B P2B355H
3.95" Hub 2B P2B395H
4.55" Hub 2B P2B455H
4.95" Hub 2B P2B495H
6.25" 1-3/8" fixed bore 2B P2B625-13/8
7.5 1-1/8" fixed bore 2B P2B75-11/8
8.50" 1-3/8" fixed bore 2B P2B850-13/8
6.15" Hub SD 3B P3B615SD
7.75" Hub SK 3B P3B775SK
8.38" Hub SK 3B P3B838SK
9.75" Hub SK 3B P3B975SK

 

Hubs
Shaft Size"
Part #
5/8" LX58
7/8" LX78
1" LX100
1 1/8" LX118
1 3/8" LX138
Shaft Size"
Part #
1 3/8" SD138
1 5/8" SD158
1 5/8" SK158
1 7/8" SK178


Belt Guards (Steel Frame)
Size
Used On
PART #
Portable electric PK50 & PK60 3426007
Portable gas PUK55 3426013
9-hp portable gas PUK90 3426052
24x16x5 A2, A3, A4 & A8 2BG
32x20x5 C1, D3, & D6 3BG
40x20x5 C2 4BG
34x19x23x7 mitered D62, D10 4BG7
48x32x7.5 C3U & C4U 5BG


Industrial V-Type Belts
Length
Section
Part #
44 A 3-A44
52 A 3-A52
64 A 3-A64
67 A 3-A67
47 B 3-B47
52 B 3-B52
53 B 3-B53
63 B 3-B63
69 B 3-B69
73 B 3-B73
75 B 3-B75
Length
Section
Part #
77 B 3-B77
79 B 3-B79
90 B 3-B90
112 B 3-B112

Industrial V-Type Cogged Belts
Length
Section
Part #
63 B 3-BX63
76 B 3-BX76

 
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