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Semi-steel wheels are designed to offer a balance of strength, durability, and cost-efficiency. These wheels are constructed from a combination of cast iron and scrap steel, which is where they get their name "semi-steel."
Semi-Steel Wheels
Unit of Measure
1 2 3 4 

Item #

Diameter

Face Size

Bore Size

Hub Length

Axle Size

Bearing Type

Capacity

Tread Thickness

SS02515B3 N/A 2 1/2 N/A 1 1/2 N/A 1 3/16 N/A 1 5/8 N/A 1 3/16 N/A N/A 350 lbs. N/A
SS02515B3-5R N/A 2 1/2 N/A 1 1/2 N/A 1 3/16 N/A 1 5/8 N/A 3/4 N/A Roller N/A 350 lbs. N/A
SS02515B3-5R-C2 N/A 2 1/2 N/A 1 1/2 N/A 1 3/16 N/A 1 5/8 N/A 1/2 N/A Roller/Spanner N/A 350 lbs. N/A
SS02515P3-1B-C2 N/A 2 1/2 N/A 1 1/2 N/A 1.378 N/A 1 5/8 N/A 1/2 N/A Ball N/A 350 lbs. N/A
SS02515C3-3T N/A 2 1/2 N/A 1 1/2 N/A 1.375 N/A 1 5/8 N/A 1/2 N/A Tapered N/A 350 lbs. N/A
SS02520B4 N/A 2 1/2 N/A 2 N/A 1 3/16 N/A 2 3/16 N/A 1 3/16 N/A N/A 400 lbs. N/A
SS02520B4-5R N/A 2 1/2 N/A 2 N/A 1 3/16 N/A 2 3/16 N/A 3/4 N/A Roller N/A 400 lbs. N/A
SS02520B4-5R-C3 N/A 2 1/2 N/A 2 N/A 1 3/16 N/A 2 3/16 N/A 1/2 N/A Roller/Spanner N/A 400 lbs. N/A
SS02520P4-1B-C3 N/A 2 1/2 N/A 2 N/A 1.378 N/A 2 3/16 N/A 1/2 N/A Ball N/A 400 lbs. N/A
SS02520C4-3T N/A 2 1/2 N/A 2 N/A 1.375 N/A 2 3/16 N/A 1/2 N/A Tapered N/A 400 lbs. N/A
SS05030G6 N/A 5 N/A 3 N/A 1 15/16 N/A 3 1/4 N/A 1 15/16 N/A N/A 1900 lbs. N/A
SS05030G6-7R N/A 5 N/A 3 N/A 1 15/16 N/A 3 1/4 N/A 1 N/A Roller N/A 1900 lbs. N/A
SS05030G6-7R-E5 N/A 5 N/A 3 N/A 1 15/16 N/A 3 1/4 N/A 3/4 N/A Roller/Spanner N/A 1900 lbs. N/A
SS05030G6-8R N/A 5 N/A 3 N/A 1 15/16 N/A 3 1/4 N/A 1 1/4 N/A Roller N/A 1900 lbs. N/A
SS05030S6-1B-E5 N/A 5 N/A 3 N/A 2.044 N/A 3 1/4 N/A 3/4 N/A Ball N/A 1900 lbs. N/A
SS05030F6-5T N/A 5 N/A 3 N/A 1.780 N/A 3 1/4 N/A 3/4 N/A Tapered N/A 1900 lbs. N/A
SS05030M6-7T N/A 5 N/A 3 N/A 1.980 N/A 3 1/4 N/A 1 N/A Tapered N/A 1900 lbs. N/A
SS06020B4 N/A 6 N/A 2 N/A 1 3/16 N/A 2 3/16 N/A 1 3/16 N/A N/A 1200 lbs. N/A
SS06020B4-5R N/A 6 N/A 2 N/A 1 3/16 N/A 2 3/16 N/A 3/4 N/A Roller N/A 1200 lbs. N/A
SS06020B4-5R-C3 N/A 6 N/A 2 N/A 1 3/16 N/A 2 3/16 N/A 1/2 N/A Roller/Spanner N/A 1200 lbs. N/A
SS06020P4-1B-C3 N/A 6 N/A 2 N/A 1.378 N/A 2 3/16 N/A 1/2 N/A Ball N/A 1200 lbs. N/A
SS06020C4-3T N/A 6 N/A 2 N/A 1.378 N/A 2 3/16 N/A 1/2 N/A Tapered N/A 1200 lbs. N/A
SS06020G4 N/A 6 N/A 2 N/A 1 15/16 N/A 2 3/16 N/A 1 15/16 N/A N/A 1600 lbs. N/A
SS06020G4-7R N/A 6 N/A 2 N/A 1 15/16 N/A 2 3/16 N/A 1 N/A Roller N/A 1600 lbs. N/A
SS06020F4-5T N/A 6 N/A 2 N/A 1.780 N/A 2 3/16 N/A 3/4 N/A Tapered N/A 1600 lbs. N/A
Unit of Measure
1 2 3 4