52 Series Medium Heavy Duty Industrial Casters

Top Plate Information

Top Plate Size

4″ x 5″

Bolt Hole Spacing

2-5/8″ x 3-5/8″, slotted to 3″ x 3″

Attaching Bolt

3/8″

Series Specifications

Swivel Section

SAE 1045 Drop-forged steel top plate and yoke base. “Deep Groove” load and machined component thrust raceways secured by a heat treated bolt and nut kingpin.

Kingpin

3/4″ diameter

Finish

Corrosion resistant zinc

Wheel Size

4″ to 8″ diameter, 2″ wide

Capacity

Up to 1,500 lbs

Options

Available swivel locks, grease seals, and brakes. Call for details.

Technical Drawings

Top Plate Drawing

Typical 4″ Swivel, Typical 4″ Rigid

Typical 5″ Swivel, Typical 5″ Rigid

Typical 6″ Swivel, Typical 6″ Rigid

Typical 8″ Swivel, Typical 8″ Rigid

Catalog Info

Economical, quiet wheel ideal for use on platform trucks or stock dollies. Floor protective, but may leave rubber scuffs when skidded. 

4" x 2"

  • Bearing: Roller
  • Capacity: 300 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52RIR42R
  • Swivel: 52RIR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 350 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52RIR52R
  • Swivel: 52RIR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 500 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52RIR62R
  • Swivel: 52RIR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 600 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52RIR82R
  • Swivel: 52RIR82S

Flat tread thermoplastic rubber wheels provide smooth and quiet operation. They are safe for use on all floors. 

4" x 2"

  • Bearing: Roller
  • Capacity: 350 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52TRR42R
  • Swivel: 52TRR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 450 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52TRR52R
  • Swivel: 52TRR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 600 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52TRR62R
  • Swivel: 52TRR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 700 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52TRR82R
  • Swivel: 52TRR82S

One-piece plastic wheels ideal for use in wet and chemical environments. Polypropylene is non-reactive and non-marking.

4" x 2"

  • Bearing: Roller
  • Capacity: 400 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52POR42R
  • Swivel: 52POR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 550 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52POR52R
  • Swivel: 52POR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 700 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52POR62R
  • Swivel: 52POR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 800 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52POR82R
  • Swivel: 52POR82S

Chemical and corrosion resistant, high-capacity, and floor protection make this wheel perfect for many applications. 

4" x 2"

  • Bearing: Roller
  • Capacity: 700 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52PAR42R
  • Swivel: 52PAR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,050 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52PAR52R
  • Swivel: 52PAR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52PAR62R
  • Swivel: 52PAR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52PAR82R
  • Swivel: 52PAR82S

Durable, high-capacity wheels that fit almost any budget. Polyurethane tread is floor protective and non-scuffing. 

4" x 2"

  • Bearing: Roller
  • Capacity: 700 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52PIR42R
  • Swivel: 52PIR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,000 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52PIR52R
  • Swivel: 52PIR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52PIR62R
  • Swivel: 52PIR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52PIR82R
  • Swivel: 52PIR82S

A great all-around wheel. Polyurethane on plastic wheels are floor protective, chemically resistant, and feature higher capacities. 

4" x 2"

  • Bearing: Roller
  • Capacity: 700 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52PPR42R
  • Swivel: 52PPR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 750 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52PPR52R
  • Swivel: 52PPR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 900 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52PPR62R
  • Swivel: 52PPR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,000 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52PPR82R
  • Swivel: 52PPR82S

Easy to roll and high capacity, solid urethane wheels are floor protective and relatively quiet. 

4" x 2"

  • Bearing: Caged Roller
  • Capacity: 700 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52SUC42R
  • Swivel: 52SUC42S

5" x 2"

  • Bearing: Caged Roller
  • Capacity: 900 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52SUC52R
  • Swivel: 52SUC52S

6" x 2"

  • Bearing: Caged Roller
  • Capacity: 900 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52SUC62R
  • Swivel: 52SUC62S

8" x 2"

  • Bearing: Caged Roller
  • Capacity: 1,200 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52SUC82R
  • Swivel: 52SUC82S

Inexpensive and durable. Phenolic wheels are high capacity and floor protective. Phenolic wheels should not be used in applications wet or high moisture applications.

4" x 2"

  • Bearing: Roller
  • Capacity: 800 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52PNR42R
  • Swivel: 52PNR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,000 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52PNR52R
  • Swivel: 52PNR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52PNR62R
  • Swivel: 52PNR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52PNR82R
  • Swivel: 52PNR82S

High capacity and impact resistant, reinforced polypropylene wheels are great for abusive applications.

4" x 2"

  • Bearing: Roller
  • Capacity: 800 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52GPR42R
  • Swivel: 52GPR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,000 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52GPR52R
  • Swivel: 52GPR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52GPR62R
  • Swivel: 52GPR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52GPR82R
  • Swivel: 52GPR82S

High capacity and an affordable price. Cast iron wheels are great for heavy loads in industrial environments. Cast iron wheels can damage your floor. 

4" x 2"

  • Bearing: Roller
  • Capacity: 1,000 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52CIR42R
  • Swivel: 52CIR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52CIR52R
  • Swivel: 52CIR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52CIR62R
  • Swivel: 52CIR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52CIR82R
  • Swivel: 52CIR82S

Our highest capacity wheel, forged steel stands up to abusive loading and rolls easily. Wheels are die-formed from pre-heated billets of steel.

4" x 1-1/2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 5-5/8"
  • Rigid: 52FSR41R
  • Swivel: 52FSR41S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 6-1/2"
  • Rigid: 52FSR52R
  • Swivel: 52FSR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 52FSR62R
  • Swivel: 52FSR62S

8" x 2"

  • Bearing: Caged Roller
  • Capacity: 1,200 lbs
  • Overall Height: 10-1/8"
  • Rigid: 52FSR82R
  • Swivel: 52FSR82S