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{"title":"Strong Rubber Industrial Heavy Duty Spring Loaded Caster Wheels Singel 4"","imgUrl":"https:\/\/img.chinax.com\/nimg\/b7\/2a\/fa1299e04928aa8c1a250987790e-200x200-1\/strong_rubber_industrial_heavy_duty_spring_loaded_caster_wheels_singel_4_22_braking_c2_a0rigid_swivel_for_warehousing_logistic.jpg","attrs":{"Brand Name":"Luma","Model Number":"A01-T-AR-450 \/ A01-S-AR-450 \/A01-R-AR-450","Place of Origin":"Zhongshan Guandong province China","Minimum Order Quantity":"4"}}
{"title":"Heavy Duty Industrial Pu Casters Dual Spring Load Bearing Wheels Iron Core","imgUrl":"https:\/\/img.chinax.com\/nimg\/ee\/36\/94a3249f99c8e12f49953128a3ee-200x200-1\/heavy_duty_industrial_pu_casters_dual_spring_load_bearing_wheels_iron_core_singel_castors_4_22_harbor_freight_tools_casters.jpg","attrs":{"Brand Name":"Luma","Model Number":"A01-T-1KU-450 \/ A01-S-1KU-450 \/ A01-R-1KU-450","Place of Origin":"Zhongshan Guandong province China","Minimum Order Quantity":"4"}}
{"title":"Mobility Durability Industrial PU Heavy Duty Spring Loaded Bearings Castor","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/1e\/34a46c7ca0c17f4142b6fd182ec5-200x200-1\/mobility_durability_industrial_pu_heavy_duty_spring_loaded_bearings_castor_wheels_singel_4_22rigid_swivel_gates.jpg","attrs":{"Brand Name":"Luma","Model Number":"A01-T-2HKU-450 \/ A01-S-2HKU-450 \/A01-R-2HKU-450","Place of Origin":"Zhongshan Guandong province China","Minimum Order Quantity":"4"}}
{"title":"Shock Absorbing Heavy-Duty Spring Loaded Caster PU Wheels Single Swivel Caster","imgUrl":"https:\/\/img.chinax.com\/nimg\/f7\/3d\/174eba95675ed33f0a255e0da8c8-200x200-1\/shock_absorbing_heavy_duty_spring_loaded_caster_pu_wheels_single_swivel_caster_lockable_8_27_27_transportation_automated_equipment.jpg","attrs":{"Brand Name":"Luma","Model Number":"A1-H8-S","Place of Origin":"China","Minimum Order Quantity":"4"}}
{"title":"High Elasticity Industrial PU Polyurethane Heavy Duty Loaded Castor Wheels","imgUrl":"https:\/\/img.chinax.com\/nimg\/17\/c8\/bc47ffcee7328729d796e52fdef1-200x200-1\/high_elasticity_industrial_pu_polyurethane_heavy_duty_loaded_castor_wheels_singel_5_22_braking_c2_a0rigid_swivel_heavy_load.jpg","attrs":{"Brand Name":"Luma","Model Number":"A01-T-2HKU-550 \/ A01-S-2HKU-550 \/ A01-R-2HKU-550","Place of Origin":"Zhongshan Guandong province China","Minimum Order Quantity":"4"}}
{"title":"Load Bearing 400KG Heavy Duty Shock Absorbing Casters Single Caster Lockable PU","imgUrl":"https:\/\/img.chinax.com\/nimg\/0a\/e5\/f0e568ed7f197ae2aa83e8b5e59f-200x200-1\/load_bearing_400kg_heavy_duty_shock_absorbing_casters_single_caster_lockable_pu_wheel_8_27_27_medical_equipment_carts.jpg","attrs":{"Brand Name":"Luma","Model Number":"A1-H8-S","Place of Origin":"China","Minimum Order Quantity":"4"}}
A1 Industrial Heavy Duty Dual Spring Shock Absorbing Steel Core Polyurethane Rigid Caster 4''Smooth Heavy Load Transport
Luma Industrial Heavy-Duty Dual Spring Shock-Absorbing Steel Core Polyurethane 4" Single Wheel with Brake Swivel Durable Castor. Optimized for precision handling, heavy loads, and demanding industrial environments.
Shock Absorbing Technology
Key Features of Shock Absorbing Casters
Shock absorbing casters are engineered to mitigate vibrations and impacts during movement, protecting both equipment and floors.
Dual-Stage Shock Absorption: Combines springs and rubber elements to absorb minor vibrations and major shocks effectively
Robust Material Selection: Wheels made of elastic polyurethane offering excellent wear resistance and noise reduction
Optimized Structural Design: Features micro-arc wheel profiles for smooth rotation and consistent ground contact
Technical Specifications
Load Capacity
250KG
Types
Swivel, Rigid, Locking Swivel
Wheel Center
Steel
Hardness
95-97
Wheel Material
Polyurethane
Color
Red/White
Bracket & Plate
5mm
MOQ
4 pcs
Bracket Width
63mm
Steel Plate
Hot Rolled Steel
Surface Treatment
Electroplating
Model
A1-H4-G
Matching Specifications
Set 1: 2 brakes + 2 fixed
Set 2: 2 swivel + 2 fixed
Essential for Port Operations
For port freight applications, a spring-dampened caster is not just an option—it's a recommended standard for operational excellence.
Shock Absorption: Absorbs vibrations and impacts when moving over dock gaps, rails, or rough pavement
Equipment Protection: Minimizes shock transmission to extend equipment lifespan
Industrial Applications
Medical Facilities
Used with hospital beds, mobile workstations, and lab carts to ensure quiet, stable movement and prevent damage to sensitive instruments.
Logistics & Warehousing
Applied to AGVs and medium-duty trolleys to maintain stability on uneven floors and reduce product shock during transport.
Industrial Manufacturing
Ideal for assembly line equipment, packaging machinery, and automotive tools where heavy loads and floor protection are priorities.
