Heavy Duty Polyurethane on Plastic Caster 4"–8" x 2" (Series 40) — Rigid, Swivel, Brake & Total Lock
4" x 2" Polyurethane on Plastic rigid caster, 660 lb, top plate mount — part 40-40R-A1-PU
4" x 2" Polyurethane on Plastic swivel with brake caster, 660 lb, top plate mount — part 40-40S-A1-PU-TB
Heavy Duty Polyurethane on Plastic Caster 4"–8" x 2" (Series 40) — Rigid, Swivel, Brake & Total Lock
Heavy Duty Polyurethane on Plastic Caster 4"–8" x 2" (Series 40) — Rigid, Swivel, Brake & Total Lock
Heavy Duty Polyurethane on Plastic Caster 4"–8" x 2" (Series 40) — Rigid, Swivel, Brake & Total Lock
Heavy Duty Polyurethane on Plastic Caster 4"–8" x 2" (Series 40) — Rigid, Swivel, Brake & Total Lock
Heavy Duty Polyurethane on Plastic Caster 4"–8" x 2" (Series 40) — Rigid, Swivel, Brake & Total Lock
4" x 2" Polyurethane Wheel Swivel Caster with Total Lock Brake, Series 40 (40-40S-A1-PU-TTL)

Heavy Duty Polyurethane on Plastic Caster 4"–8" x 2" (Series 40) — Rigid, Swivel, Brake & Total Lock

$18.94 Oferta

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Heavy Duty Polyurethane on Plastic Caster — Series 40 (4", 5", 6" & 8" x 2")

This Series 40 Medium Heavy Duty polyurethane on plastic caster is available in four wheel sizes — 4" x 2", 5" x 2", 6" x 2", and 8" x 2" — each on a cold-forged steel top plate with a hardened, double-row ball bearing swivel raceway and built-in Zerk lubrication fitting for smooth 360° movement and long service life. Every size is offered in four configurations: Rigid, Swivel, Swivel with Brake (Top Lock), and Swivel with Total Lock. Select your wheel size and configuration from the menu above; the matching specifications are listed below.

Specifications by Size

Wheel Size Load Capacity Overall Height Swivel Radius Tread Width
4" x 2" 660 lbs 5-5/8" 3-3/16" 2"
5" x 2" 800 lbs 6-1/2" 3-7/8" 2"
6" x 2" 900 lbs 7-1/2" 4-37/64" 2"
8" x 2" 950 lbs 9-1/2" 6" 2"

Configurations & Part Numbers

Size Type Brake Part Number
4" x 2" Rigid — 40-40R-A1-PU
4" x 2" Swivel — 40-40S-A1-PU
4" x 2" Swivel with Brake Top Lock Brake (TB) 40-40S-A1-PU-TB
4" x 2" Swivel with Total Lock Total Lock Brake (TTL) 40-40S-A1-PU-TTL
5" x 2" Rigid — 40-50R-A1-PU
5" x 2" Swivel — 40-50S-A1-PU
5" x 2" Swivel with Brake Top Lock Brake (TB) 40-50S-A1-PU-TB
5" x 2" Swivel with Total Lock Total Lock Brake (TTL) 40-50S-A1-PU-TTL
6" x 2" Rigid — 40-60R-A1-PU
6" x 2" Swivel — 40-60S-A1-PU
6" x 2" Swivel with Brake Top Lock Brake (TB) 40-60S-A1-PU-TB
6" x 2" Swivel with Total Lock Total Lock Brake (TTL) 40-60S-A1-PU-TTL
8" x 2" Rigid — 40-80R-A1-PU
8" x 2" Swivel — 40-80S-A1-PU
8" x 2" Swivel with Brake Top Lock Brake (TB) 40-80S-A1-PU-TB
8" x 2" Swivel with Total Lock Total Lock Brake (TTL) 40-80S-A1-PU-TTL

Common Specifications (all sizes)

Series 40 — Medium Heavy Duty
Wheel Material Polyurethane on Plastic
Tread Width 2"
Axle Diameter 1/2"
Kingpin 5/8"
Bearing Roller
Top Plate Size 3-15/16" x 4-1/2"
Bolt Hole Spacing 2-5/8" x 3-5/8" ~ 3" x 3"
Mounting Bolt Size 3/8"
Finish Zinc Plated

Key Features

  • Polyurethane on Plastic wheel — high strength, low rolling resistance
  • Four wheel sizes (4", 5", 6", 8" x 2") rated 660–950 lbs per caster
  • Cold-forged steel top plate with hardened, double-row ball bearing swivel raceway
  • 5/8" kingpin and 1/2" axle with built-in Zerk lubrication fitting
  • Rigid, Swivel, Swivel with Brake (Top Lock) and Swivel with Total Lock configurations
  • Corrosion-resistant zinc plated finish

Applications & Common Uses

  • Floor-protecting carts
  • Quiet stockroom carts
  • Racks
  • Food & beverage carts
  • Carts
  • Platform trucks

Ideal for platform trucks, stock carts, dollies, workbenches, shelving, and heavy material handling equipment across warehouse, industrial, and commercial settings.