50 Series Medium Heavy Duty Industrial Casters

Top Plate Information

Top Plate Size

4-1/2″ x 6-1/4″

Bolt Hole Spacing

2-7/16″ x 4-15/16″ slotted to 3-3/8″ x 5-1/4″

Attaching Bolt

1/2″

Series Specifications

Swivel Section

3-1/4” diameter load race. Raceways are coined smooth then heat treated to minimize ball indentation and wear. 

Kingpin

3/4″ diameter heat treated bolt

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.

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: 350 lbs
  • Overall Height: 5-5/8"
  • Rigid: 50RIR42R
  • Swivel: 50RIR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 400 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50RIR52R
  • Swivel: 50RIR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 410 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50RIR62R
  • Swivel: 50RIR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 500 lbs
  • Overall Height: 10-1/8"
  • Rigid: 50RIR82R
  • Swivel: 50RIR82S

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: 50TRR42R
  • Swivel: 50TRR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 375 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50TRR52R
  • Swivel: 50TRR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 600 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50TRR62R
  • Swivel: 50TRR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 675 lbs
  • Overall Height: 10-1/8"
  • Rigid: 50TRR82R
  • Swivel: 50TRR82S

Easy to push, effortless rolling and standard precision ball bearings make this wheel amazing for manual push-pull applications.

4" x 2"

  • Bearing: Precision Ball
  • Capacity: 800 lbs
  • Overall Height: 5-5/8"
  • Rigid: 50XMB42R
  • Swivel: 50XMB42S

5" x 2"

  • Bearing: Precision Ball
  • Capacity: 1,000 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50XMB52R
  • Swivel: 50XMB52S

6" x 2"

  • Bearing: Precision Ball
  • Capacity: 1,250 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50XMB62R
  • Swivel: 50XMB62S

8" x 2"

  • Bearing: Precision Ball
  • Capacity: 1,500 lbs
  • Overall Height: 10-1/8"
  • Rigid: 50XMB82R
  • Swivel: 50XMB82S

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: 50PAR42R
  • Swivel: 50PAR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,050 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50PAR52R
  • Swivel: 50PAR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50PAR62R
  • Swivel: 50PAR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,500 lbs
  • Overall Height: 10-1/8"
  • Rigid: 50PAR82R
  • Swivel: 50PAR82S

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: 50PIR42R
  • Swivel: 50PIR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,000 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50PIR52R
  • Swivel: 50PIR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50PIR62R
  • Swivel: 50PIR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,500 lbs
  • Overall Height: 10-1/8"
  • Rigid: 50PIR82R
  • Swivel: 50PIR82S

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

4" x 2"

  • Bearing: Roller
  • Capacity: 600 lbs
  • Overall Height: 5-5/8"
  • Rigid: 50PPR42R
  • Swivel: 50PPR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 750 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50PPR52R
  • Swivel: 50PPR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 900 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50PPR62R
  • Swivel: 50PPR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,000 lbs
  • Overall Height: 10-1/8"
  • Rigid: 50PPR82R
  • Swivel: 50PPR82S

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: 50SUC42R
  • Swivel: 50SUC42S

5" x 2"

  • Bearing: Caged Roller
  • Capacity: 1,000 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50SUC52R
  • Swivel: 50SUC52S

6" x 2"

  • Bearing: Caged Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50SUC62R
  • Swivel: 50SUC62S

8" x 2"

  • Bearing: Caged Roller
  • Capacity: 1,500 lbs
  • Overall Height: 10-1/8"
  • Rigid: 50SUC82R
  • Swivel: 50SUC82S

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: 50GPR42R
  • Swivel: 50GPR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,000 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50GPR52R
  • Swivel: 50GPR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50GPR62R
  • Swivel: 50GPR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,400 lbs
  • Overall Height: 10-1/8"
  • Rigid: 50GPR82R
  • Swivel: 50GPR82S

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: 800 lbs
  • Overall Height: 5-5/8"
  • Rigid: 50CIR42R
  • Swivel: 50CIR42S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,000 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50CIR52R
  • Swivel: 50CIR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,200 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50CIR62R
  • Swivel: 50CIR62S

8" x 2"

  • Bearing: Roller
  • Capacity: 1,250 lbs
  • Overall Height: 10-1/8"
  • Rigid: 50CIR82R
  • Swivel: 50CIR82S

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: 1,400 lbs
  • Overall Height: 5-5/8"
  • Rigid: 50FSR41R
  • Swivel: 50FSR41S

5" x 2"

  • Bearing: Roller
  • Capacity: 1,500 lbs
  • Overall Height: 6-1/2"
  • Rigid: 50FSR52R
  • Swivel: 50FSR52S

6" x 2"

  • Bearing: Roller
  • Capacity: 1,500 lbs
  • Overall Height: 7-1/2"
  • Rigid: 50FSR62R
  • Swivel: 50FSR62S