Stepup 50 Series Medium-Heavy Rigid Specifications
(Non Brake)
Diameter Wheel
Tread Width
Load Capacity
Wheel Material
Bearing Type
Load Height
Swivel Radius
Rigid Part Number
4
2
300
TPR(flat)
Roller
5 5/8
N/A
50RAA4020TPR
350
Rubber on Steel
50RAA4020RSR
700
Polyolefin
50RAA4020POR
Polyurethane on Polyolefin
50RAA4020PUR
Polyurethane on Steel
50RAA4020PSR
Polyurethane on Aluminum
50RAA4020PAR
800
Phenolic
50RAA4020PHR
900
V-Groove
50RAA4020VGR
Cast Iron
50RAA4020CIR
5
2
350
TPR(flat)
Roller
6 1/2
N/A
50RAA5020TPR
400
Rubber on Steel
50RAA5020RSR
900
Polyolefin
50RAA5020POR
800
Polyurethane on Polyolefin
50RAA5020PUR
1000
Polyurethane on Steel
50RAA5020PSR
Polyurethane on Aluminum
50RAA5020PAR
Phenolic
50RAA5020PHR
V-Groove
50RAA5020VGR
Cast Iron
50RAA5020CIR
6
2
500
TPR(flat)
Roller
71/2
N/A
50RAA6020TPR
TPR(round)
50RAA6020TPR-R
Rubber on Steel
50RAA6020RSR
950
Polyolefin
50RAA6020POR
900
Polyurethane on Polyolefin
50RAA6020PUR
1100
Polyurethane on Polyolefin
50RAA6020PSR
Polyurethane on Aluminum
50RAA6020PAR
Phenolic
50RAA6020PHR
V-Groove
50RAA6020VGR
Cast Iron
50RAA6020CIR
8
2
600
TPR(flat)
Roller
9 1/2
N/A
50RAA8020TPR
TPR(round)
50RAA8020TPR-R
Rubber on Steel
50RAA8020RSR
1100
Polyolefin
50RAA8020POR
Polyurethane on Polyolefin
50RAA8020PUR
1100
Polyurethane on Steel
50RAA8020PSR
Polyurethane on Aluminum
50RAA8020PAR
Phenolic
50RAA8020PHR
V-Groove
50RAA8020VGR
Cast Iron
50RAA8020CIR

* All Roller Bearing wheels are also available with Delrin bearing. Change last digit of part number to D. Example: 50SAA4020PSD

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