The RWM 45 Series Caster is an economical version of our 46 Series industrial caster. These medium duty casters are ideal for bakery, meat processing and many other industries for a wide range of uses including dollies, shop carts, scrap bins and floor trucks.
FEATURES
Swivel Section | Heat treated double ball raceways secured with a nut & bolt kingpin. |
Kingpin | 5/8″ diameter nut and bolt |
Capacity | Up to 1200 lbs. |
Axle | 1/2″ diameter drilled axle with lubrication fitting |
Finish | Zinc plated to protect against corrosion |
Wheels | A wide variety of 4″ through 8″ diameters available with straight roller, ball & celcon bearings. |
Mounting Plate Size | 4″ x 4-1/2″ x 1/4″ |
Bolt Hole Spacing | 2-5/8″ x 3-5/8″ slotted to 3″ x 3″ |
Mounting Bolt Diameter | 3/8 |
APPLICATIONS
Bakery Carts | Shipping/Receiving Carts |
Meat Processing | Tire Racks |
Assembly Line & Boat Molding Dollies | Housekeeping Carts |
Box Trucks | Institutional Equipment |
Conveyor Stands and Fixture Carts | Janitorial Equipment |
Maintenance & Material Handling Carts | Laboratory Equipment |
Mobile Storage Racks& Mobile Tool Chests | Electronic Equipment |
Shipping/Receiving Carts | Textile Carts |
KINGPIN RACEWAY

![]() Wheel Diameter |
![]() Wheel Width |
![]() Capacity |
![]() Wheel Type |
![]() Overall Height |
![]() Roller Bearing |
![]() Ball Bearing |
![]() Plain Bearing |
![]() Swivel Lead |
![]() Approx Weight |
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4″ | 2″ | 350 | Performance TPR | 5-5/8″ | 45-RPR-0420-S | 45-RPB-0420-S | 45-RPC-0420-S | 1-3/8″ | 5.3 |
4″ | 2″ | 350 | Rubber on Iron | 5-5/8″ | 45-RIR-0420-S | 45-RIC-0420-S | 1-3/8″ | 7.5 | |
4″ | 2″ | 400 | Signature Wheel | 5-5/8″ | 45-SWR-0420-S | 45-SWB-0420-S | 45-SWC-0420-S | 1-3/8″ | 5.5 |
4″ | 2″ | 500 | Polyolefin | 5-5/8″ | 45-POR-0420-S | 45-POB-0420-S | 45-POC-0420-S | 1-3/8″ | 4.8 |
4″ | 2″ | 600 | Urethane Polypropylene | 5-5/8″ | 45-UPR-0420-S | 45-UPB-0420-S | 45-UPC-0420-S | 1-3/8″ | 5.3 |
4″ | 2″ | 700 | Rubber on Aluminum | 5-5/8″ | 45-RAB-0420-S-EHT | 1-3/8″ | 7.4 | ||
4″ | 2″ | 700 | Solid Urethane | 5-5/8″ | 45-MUB-0420-S | 1-3/8″ | 5.5 | ||
4″ | 2″ | 700 | Urethane on Aluminum | 5-5/8″ | 45-UAR-0420-S | 45-UAC-0420-S | 1-3/8″ | 5 | |
4″ | 2″ | 700 | Urethane on Iron | 5-5/8″ | 45-UIR-0420-S | 45-UIC-0420-S | 1-3/8″ | 6.6 | |
4″ | 2″ | 800 | Cast Iron | 5-5/8″ | 45-CIR-0420-S | 45-CIB-0420-S | 45-CIC-0420-S | 1-3/8″ | 6.5 |
4″ | 2″ | 800 | Durastan | 5-5/8″ | 45-DUR-0420-S | 45-DUB-0420-S | 45-DUC-0420-S | 1-3/8″ | 5.2 |
4″ | 2″ | 800 | High Temp Nylon | 5-5/8″ | 45-HNR-0420-S | 1-3/8″ | 5.2 | ||
4″ | 2″ | 800 | Pinnacle Wheel | 5-5/8″ | 45-PNR-0420-S | 45-PNB-0420-S | 45-PNC-0420-S | 1-3/8″ | |
4″ | 2″ | 800 | V-Groove Iron | 5-5/8″ | 45-VIR-0420-S | 45-VIC-0420-S | 1-3/8″ | 7.6 | |
4″ | 2″ | 1050 | GT | 5-5/8″ | 45-GTB-0420-S | 1-3/8″ | 5.2 | ||
4″ | 2″ | 1200 | Nylatron HD | 5-5/8″ | 45-NYB-0420-S | 1-3/8″ | 5.7 | ||
5″ | 2″ | 375 | Performance TPR | 6-1/2″ | 45-RPR-0520-S | 45-RPB-0520-S | 45-RPC-0520-S | 1-5/8″ | 5.3 |
5″ | 2″ | 400 | Rubber on Iron | 6-1/2″ | 45-RIR-0520-S | 45-RIC-0520-S | 1-5/8″ | 7.6 | |
5″ | 2″ | 500 | Signature Wheel | 6-1/2″ | 45-SWR-0520-S | 45-SWB-0520-S | 45-SWC-0520-S | 1-5/8″ | 5.7 |
5″ | 2″ | 650 | Polyolefin | 6-1/2″ | 45-POR-0520-S | 45-POB-0520-S | 45-POC-0520-S | 1-5/8″ | 4.6 |
5″ | 2″ | 750 | Urethane Polypropylene | 6-1/2″ | 45-UPR-0520-S | 45-UPB-0520-S | 45-UPC-0520-S | 1-5/8″ | 5.3 |
5″ | 2″ | 800 | Rubber on Aluminum | 6-1/2″ | 45-RAB-0520-S-EHT | 1-5/8″ | 7.5 | ||
5″ | 2″ | 800 | V-Groove Iron | 6-1/2″ | 45-VIR-0520-S | 45-VIC-0520-S | 1-5/8″ | 9.9 | |
5″ | 2″ | 1000 | Cast Iron | 6-1/2″ | 45-CIR-0520-S | 45-CIB-0520-S | 45-CIC-0520-S | 1-5/8″ | 7.8 |
5″ | 2″ | 1000 | Durastan | 6-1/2″ | 45-DUR-0520-S | 45-DUB-0520-S | 45-DUC-0520-S | 1-5/8″ | 5.4 |
5″ | 2″ | 1000 | High Temp Nylon | 6-1/2″ | 45-HNR-0520-S | 1-5/8″ | 5.4 | ||
5″ | 2″ | 1000 | Pinnacle Wheel | 6-1/2″ | 45-PNR-0520-S | 45-PNB-0520-S | 45-PNC-0520-S | 1-5/8″ | 5.6 |
5″ | 2″ | 1000 | Solid Urethane | 6-1/2″ | 45-MUB-0520-S | 1-5/8″ | 5.7 | ||
5″ | 2″ | 1050 | Urethane on Aluminum | 6-1/2″ | 45-UAR-0520-S | 45-UAC-0520-S | 1-5/8″ | 7.7 | |
5″ | 2″ | 1050 | Urethane on Iron | 6-1/2″ | 45-UIR-0520-S | 45-UIC-0520-S | 1-5/8″ | 7.7 | |
5″ | 2″ | 1200 | Forged Steel | 6-1/2″ | 45-FSR-0520-S | 45-FSC-0520-S | 1-5/8″ | 8.1 | |
5″ | 2″ | 1200 | GT | 6-1/2″ | 45-GTB-0520-S | 1-5/8″ | 5.4 | ||
5″ | 2″ | 1200 | Nylatron HD | 6-1/2″ | 45-NYB-0520-S | 1-5/8″ | 5.9 | ||
6″ | 2″ | 410 | Rubber on Iron | 7-1/2″ | 45-RIR-0620-S | 45-RIC-0620-S | 1-13/16″ | 7.8 | |
6″ | 2″ | 525 | Performance TPR | 7-1/2″ | 45-RPR-0620-S | 45-RPB-0620-S | 45-RPC-0620-S | 1-13/16″ | 5.7 |
6″ | 2″ | 600 | Signature Wheel | 7-1/2″ | 45-SWR-0620-S | 45-SWB-0620-S | 45-SWC-0620-S | 1-13/16″ | 6.4 |
6″ | 2″ | 700 | Polyolefin | 7-1/2″ | 45-POR-0620-S | 45-POB-0620-S | 45-POC-0620-S | 1-13/16″ | 5 |
6″ | 2″ | 820 | Rubber on Aluminum | 7-1/2″ | 45-RAB-0620-S-EHT | 1-13/16″ | 7.8 | ||
6″ | 2″ | 900 | Urethane Polypropylene | 7-1/2″ | 45-UPR-0620-S | 45-UPB-0620-S | 45-UPC-0620-S | 1-13/16″ | 5.7 |
6″ | 2″ | 1000 | Omega | 7-1/2″ | 45-UOR-0620-S | 45-UOB-0620-S | 1-13/16″ | 8.8 | |
6″ | 2″ | 1000 | V-Groove Iron | 7-1/2″ | 45-VIR-0620-S | 45-VIC-0620-S | 1-13/16″ | 10.9 | |
6″ | 2″ | 1200 | Cast Iron | 7-1/2″ | 45-CIR-0620-S | 45-CIB-0620-S | 45-CIC-0620-S | 1-13/16″ | 9.1 |
6″ | 2″ | 1200 | Durastan | 7-1/2″ | 45-DUR-0620-S | 45-DUB-0620-S | 45-DUC-0620-S | 1-13/16″ | 6.3 |
6″ | 2″ | 1200 | Forged Steel | 7-1/2″ | 45-FSR-0620-S | 45-FSC-0620-S | 1-13/16″ | 10 | |
6″ | 2″ | 1200 | GT | 7-1/2″ | 45-GTB-0620-S | 1-13/16″ | 6.3 | ||
6″ | 2″ | 1200 | High Temp Nylon | 7-1/2″ | 45-HNR-0620-S | 1-13/16″ | 6.3 | ||
6″ | 2″ | 1200 | Pinnacle Wheel | 7-1/2″ | 45-PNR-0620-S | 45-PNB-0620-S | 45-PNC-0620-S | 1-13/16″ | 6.2 |
6″ | 2″ | 1200 | Solid Urethane | 7-1/2″ | 45-MUB-0620-S | 1-13/16″ | 6.4 | ||
6″ | 2″ | 1200 | Torus | 7-1/2″ | 45-UAB-0621-S | 1-13/16″ | 6.1 | ||
6″ | 2″ | 1200 | Urethane on Aluminum | 7-1/2″ | 45-UAR-0620-S | 45-UAC-0620-S | 1-13/16″ | 6.1 | |
6″ | 2″ | 1200 | Urethane on Iron | 7-1/2″ | 45-UIR-0620-S | 45-UIC-0620-S | 1-13/16″ | 8.8 | |
8″ | 2″ | 500 | Rubber on Iron | 9-1/2″ | 45-RIR-0820-S | 45-RIC-0820-S | 2-3/16″ | 10.1 | |
8″ | 2″ | 600 | Performance TPR | 9-1/2″ | 45-RPR-0820-S | 45-RPB-0820-S | 45-RPC-0820-S | 2-3/16″ | 7.1 |
8″ | 2″ | 700 | Signature Wheel | 9-1/2″ | 45-SWR-0820-S | 45-SWB-0820-S | 45-SWC-0820-S | 2-3/16″ | 7.1 |
8″ | 2″ | 800 | Polyolefin | 9-1/2″ | 45-POR-0820-S | 45-POB-0820-S | 45-POC-0820-S | 2-3/16″ | 5.8 |
8″ | 2″ | 1000 | Rubber on Aluminum | 9-1/2″ | 45-RAB-0820-S-EHT | 2-3/16″ | 10.1 | ||
8″ | 2″ | 1000 | Urethane Polypropylene | 9-1/2″ | 45-UPR-0820-S | 45-UPB-0820-S | 45-UPC-0820-S | 2-3/16″ | 7.7 |
8″ | 2″ | 1050 | V-Groove Iron | 9-1/2″ | 45-VIR-0820-S | 45-VIC-0820-S | 2-3/16″ | 15.3 | |
8″ | 2″ | 1200 | Cast Iron | 9-1/2″ | 45-CIR-0820-S | 45-CIB-0820-S | 45-CIC-0820-S | 2-3/16″ | 13.3 |
8″ | 2″ | 1200 | Durastan | 9-1/2″ | 45-DUR-0820-S | 45-DUB-0820-S | 45-DUC-0820-S | 2-3/16″ | 7.7 |
8″ | 2″ | 1200 | GT | 9-1/2″ | 45-GTB-0820-S | 2-3/16″ | 7.7 | ||
8″ | 2″ | 1200 | Omega | 9-1/2″ | 45-UOR-0820-S | 45-UOB-0820-S | 2-3/16″ | 12.1 | |
8″ | 2″ | 1200 | Pinnacle Wheel | 9-1/2″ | 45-PNR-0820-S | 45-PNB-0820-S | 45-PNC-0820-S | 2-3/16″ | 6.9 |
8″ | 2″ | 1200 | Solid Urethane | 9-1/2″ | 45-MUB-0820-S | 2-3/16″ | 7.1 | ||
8″ | 2″ | 1200 | Torus | 9-1/2″ | 45-UAB-0821-S | 2-3/16″ | 7.3 | ||
8″ | 2″ | 1200 | Urethane on Aluminum | 9-1/2″ | 45-UAR-0820-S | 45-UAC-0820-S | 2-3/16″ | 7.3 | |
8″ | 2″ | 1200 | Urethane on Iron | 9-1/2″ | 45-UIR-0820-S | 45-UIC-0820-S | 2-3/16″ | 12.1 |