4 in Heavy Duty Caster Replacement Wheel, 4 Pack, 240lb Load Capacity Each, Polyurethane Dual Bearing Wheel for Swivel/Rigid/Brake Bracket Industrial Furniture Equipment, Red, PU

[ENHANCED PU DESIGN FOR CONVENIENCE] Upgrade your equipment with our redesigned 4-inch replacement caster wheels. We’ve optimized our casters with an Integrated Center Tube and Built-in Washers and upgraded the wheel material to high-quality Polyurethane (PU). Unlike traditional wheels that require assembling loose bushings and multiple washers, our "All-in-One" hub design is non-removable and robust. This integrated structure minimizes the risk of missing parts and ensures a more stable, reliable roll. [PRECISION DIMENSIONS & COMPATIBILITY] To ensure an accurate fit for your project, please note these specifications: Original Bearing Inner Hole: 0.47 inches (12mm) – High-quality 6001 ball bearing size. Effective Inner Diameter: 0.37 inches (9.5mm) – The actual working size with the integrated center tube. Wheel Diameter: 3.95 inches (Standard 4-inch class). Wheel Width: 1.26 inches. Important: Please verify that your original bolts/axles are compatible with the 0.37-inch inner hole before ordering. [HEAVY-DUTY PERFORMANCE & QUIET GLIDE] Constructed from premium Polyurethane (PU) and equipped with dual 6001 ball bearings for superior durability. PU wheels provide a non-marking, quiet, and smooth glide on both indoor and outdoor surfaces while offering excellent floor protection. Each individual 4-inch wheel supports a load of 135 lbs, with a combined capacity of at least 400 lbs for a set of four. [SIMPLIFIED INSTALLATION] We’ve streamlined the replacement process. Since the center tube and washers are pre-installed into the wheel: Unscrew your original bolts. Remove the old wheel. Slide our new integrated wheel onto the axle. Tighten the original hardware. No extra loose components are required for assembly. [VERSATILE APPLICATIONS] An ideal solution for workshops, garages, and offices. Widely compatible with: Hand carts and dollies Workbenches and tool stands Mobile shelving and storage units Furniture and storage boxes [PACKAGE INCLUDES] 4 x Upgraded 4" PU Replacement Caster Wheels (with Integrated Center Tubes). (Note: Matching bolts and nuts are NOT included. Please reuse your original hardware or verify size for compatibility.) [KINDLY NOTE] During the production process, minor surface scratches may occur. To ensure optimal performance, bearings come pre-lubricated. You may notice a slight oil trace on the surface; this is normal and does not affect functionality.

• [INTEGRATED HUB DESIGN] Upgrade your equipment with our enhanced 4-inch Polyurethane (PU) replacement caster wheels. Featuring an integrated center tube (bushing) and built-in washers, this non-removable hub design ensures a more solid structure. It eliminates the hassle of loose parts and ensures a reliable, stable roll for your equipment.
• [SPECIFIC DIMENSION DETAILS] Precision-engineered for a reliable fit. While the original inner hole of the 6001 ball bearing is 0.47" (12mm), the pre-installed center tube refines the effective inner diameter to 0.37" (9.5mm). Wheel diameter: 3.95"; Wheel width: 1.26". Please ensure your bolt size is compatible with the 0.37" inner hole.
• [NON-MARKING PU & 6001 BEARINGS] Constructed from premium Polyurethane (PU) and equipped with dual 6001 ball bearings. PU wheels provide a quiet, smooth, and non-marking glide, offering excellent protection for all floor types. Each individual wheel supports 135 lbs, providing a combined capacity of 400 lbs for the set.
• [SIMPLIFIED INSTALLATION] We have streamlined the replacement process to save you time. Since the center tube and washers are pre-installed into the wheel, simply remove your old wheel and slide the new integrated wheel onto your original axle and tighten. No extra loose components are required for assembly.
• [VERSATILE USE & KINDLY NOTE] Ideal for hand carts, workbenches, and furniture in sensitive environments where floor protection is key. Note: Bearings come pre-lubricated, which may leave slight oil traces or surface scratches during production; these do not affect functionality. Matching bolts and nuts are NOT included.