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Heavy Duty Casters

53-UIR-0625-S-YY
53-UIR-0625-S-YY
Top Plates
Standard Top Plate
Standard Top Plate
Optional 43ST/43RT
Optional 43ST/43RT

Swivel Sections and Cross Sections
Swivel Cross Section
Swivel Cross Section
Rivet Cross Section
Rivet Cross Section
RWM Caster's 53 Series features thicker legs and a 3/4" diameter axle that improves on our very popular 52 series. This caster is designed to stand up to most heavy duty industrial caster applications and is proudly Made in the U.S.A. If you don't see what you want, let our engineering team custom design a caster for your individual application.
Features
Swivel Section: Cold formed top plate, yoke and button are all heat treated to prevent brinelling, improve swivel action and increase service life. Both load and thrust bearings are hardened and ground and raceway bearings rotate on hardened raceways. Top plate and legs are 1/4" steel. Legs are formed for increased strength and continuously welded to yoke. All swivel sections are equipped with a lubrication fitting for field maintenance. RWM lubricates all swivel sections prior to shipment.
Kingpin: 3/4" bolt and lock nut for increased swivel section strength
Capacity: 1800lbs.
Axle: 3/4" diameter axle
Finish:Zinc plated to protect against corrosion
Wheels: Wheels are available with either 1" I.D. diameter straight roller bearings which rotate on a 1" O.D. hardened and ground spanner bushing, or 3/4" I.D. tapered bearing on a 3/4" axle. The tapered bearing configuration is highly recommended for high speed and side thrust applications.
Mounting Plate Size: 4 -1/2" x 6-1/2" x 1/4"
Bolt Hole Spacing: 2-7/16" x 4-15/16", slotted to 3-3/8" x 5-1/4"
Mounting Bolt Diameter: 1/2"
Options
CWB: Cam Wheel Brake
HT: High Temperature Lubrication
LT: Low Temperature Lubrication
SL: Swivel Lock
SR: Sealed Swivel Raceway
WS:Wheel Seals
Optional Mounting Plates
Optional Top Plate Number Mounting Plate Bolt Hole Spacing Bolt Size
43ST 5" x 5-1/2" 4-1/8" x 4-1/2" 3/8"
43RT 5" x 5-1/2" 4-1/8" x 4-1/2" 3/8"
Optional Overall Heights
Wheel Diameter Overall Height
5" 6-1/2"
6" 7-1/2"
8" 10-1/8"
10" 11-1/2"
Applications
The 53 Series is the perfect solution for:
  • movable racks
  • conveyor or dragline operations
  • utility trucks
  • corrugated box trucks
  • maintenance carts
  • heavy machinery
Specifications
spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart
5" 2-1/2" Cast Iron 1800 7-1/8" 53-CIR-0525-S   53-CIT-0525-S 1-55/64" 13.7
6" 2-1/2" Cast Iron 1800 7-5/8" 53-CIR-0625-S     1-7/8" 15.1
6" 2-1/2" Durastan 1600 7-5/8" 53-DUR-0625-S     1-7/8" 10.8
6" 2-1/2" Forged Steel 1800 7-5/8" 53-FSR-0625-S   53-FST-0625-S 1-7/8" 19.5
6" 2-1/2" GT 1800 7-5/8"   53-GTB-0625-S   1-7/8" 10.8
6" 2-1/2" Rubber on Iron 540 7-5/8" 53-RIR-0625-S     1-7/8" 13.8
6" 2-1/2" Urethane on Iron 1620 7-5/8" 53-UIR-0625-S   53-UIT-0625-S 1-7/8" 17.0
6" 2-1/2" V-Groove Iron 1500 7-5/8" 53-VIR-0625-S   53-VIT-0625-S 1-7/8" 17.2
8" 2-1/2" Cast Iron 1800 10-1/4" 53-CIR-0825-S   53-CIT-0825-S 2-5/8" 19.7
8" 2-1/2" Durastan 1800 10-1/4" 53-DUR-0825-S     2-5/8" 13.1
8" 2-1/2" Forged Steel 1800 10-1/4" 53-FSR-0825-S   53-FST-0825-S 2-5/8" 29.6
8" 2-1/2" GT 1800 10-1/4"   53-GTB-0825-S   2-5/8" 13.1
8" 2-1/2" Rubber on Iron 670 10-1/4" 53-RIR-0825-S     2-5/8" 17.8
8" 2-1/2" Urethane on Iron 1800 10-1/4" 53-UIR-0825-S   53-UIT-0825-S 2-5/8" 16.8
8" 2-1/2" V-Groove Iron 1800 10-1/4" 53-VIR-0825-S   53-VIT-0825-S 2-5/8" 20.0
10" 2-1/2" Cast Iron 1800 12-1/16" 53-CIR-1025-S   53-CIT-1025-S 3" 23.7
10" 2-1/2" Durastan 1800 12-1/16" 53-DUR-1025-S     3" 15.1
10" 2-1/2" Rubber on Iron 790 12-1/16" 53-RIR-1025-S   53-RIT-1025-S 3" 19.0
10" 2-1/2" Urethane on Iron 1800 12-1/16" 53-UIR-1025-S   53-UIT-1025-S 3" 24.2
To order a rigid caster, change the “S" to “R" in the model number. For example : “53-CIR-0825-R". To order a rig only, omit the blue letters. For example: “53-0825-S". Dimensions shown are nominal. If precise dimensions are required, consult your RWM representative. For approximate weight of our rigid casters, deduct 1.8 pounds.