S SERIES, WHEEL

 
SKB series, heavy duty

Steel Ball: 1/4 inch dia steel ball
Capacity: 70Ibs(31kg)-250Ibs(113kg)
Key Dimension: 
D: 1.94"(49.3mm)
d: 0.252"(6.40mm) - 0.311"(7.90mm)
B: 0.63"(15.90mm)
E: 0.81"(20.6mm) - 1.62"(41.3mm)

　

SK series,regular duty
Steel Ball: 1/4 inch dia steel ball
Capacity:  40lbs(18kg) - 100lbs(45kg)
Key Dimension: 
D: 1.5"(38.10mm) - 1.94"(49.3mm)
d: 0.252"(6.40mm) - 0.311"(7.90mm)
B: 0.51"(13.0mm) - 0.63"(15.90mm)
E: 0.81"(20.6mm) - 0.94"(23.8mm)

　

SK series,special application

Steel Ball:1/4 inch dia steel ball
Capacity: 70lbs(31kg) - 150lbs(68kg)
Key Dimension: 
D: 1.89"(48.00mm)-1.94"(48.00mm) 
d: 0.26"(6.5mm) 
B: 0.71"(18.0mm) 
E: 0.95"(24.0mm)

　

SP & SG series,pulley
Steel Ball: 3/16 inch dia steel ball
Capacity: 100Ibs(45kg)-120lb(54kg) 
Key Dimension: 
D: 1.94"(49.2mm)-2.37"(60.2mm) 
d: 0.65"(16.5mm)
B: 0.35"(8.9mm) 

　

SR series

Steel Ball: 3/16 - 1/4 inch dia steel ball
Capacity: 100lb(45kg) - 150lb(681kg)
Key Dimension: 
D: 1.52"(38.6mm) - 2.05"(52.0mm)
d: 0.25"(6.40mm) - 0.32"(8.20mm)
B: 0.34"(8.5mm) - 0.65"(16.4mm)
E: 0.40"(10.2mm) - 0.83"(21.0mm)