NRH R9201-50C Rigid Caster – PP Black High Load | Industrial Caster

NRH R9201-50C Rigid Caster - PP, Black, High Load Capacity, Straight‑Line Stability

The NRH R9201-50C is a high‑quality PP rigid caster designed for straight‑line movement, high stability, and medium‑to‑heavy loads on industrial equipment, racks, and carts. Manufactured from durable polypropylene (PP) with a sleek black finish, it offers excellent resistance to impact, chemicals, and moisture. Each caster supports a high load capacity (70kg per caster), making it suitable for workshops, factories, logistics, and warehousing. Weighing only 121g, it is lightweight yet robust. The fixed bracket allows the wheel to roll only in a straight line - no swiveling - which provides superior straight‑line stability and resistance to lateral forces. The precision‑engineered mounting plate (refer to drawing for exact hole pattern) allows for easy, secure installation. Clear “NRH” branding and heritage since 1996 ensure quality and reliability.

As a product of NRH Box Hardware (specialist since 1996), this caster is manufactured under an ISO 9001 certified system. Regarding international compliance (ISO 9001, REACH, RoHS, SVHC), these standards can be supported based on customer requirements - contact us for details. OEM/ODM services are available for custom wheel materials, colors, or mounting plate dimensions. Full 2D/3D CAD models available upon request.

Key dimensions: refer to the engineering drawing for mounting hole spacing, wheel diameter, and overall height.

Why Choose a PP Rigid Caster?

Polypropylene (PP) is a lightweight, impact‑resistant thermoplastic that performs well in indoor industrial environments. Unlike rubber wheels, PP casters do not mark floors, resist oils and solvents, and roll smoothly over minor debris. The rigid (fixed) design offers several advantages:

• Excellent straight‑line stability - the wheel is fixed in one direction, preventing veering during long pushes
• High lateral force resistance - rigid casters withstand side impacts better than swivel casters
• Simple, durable construction - no swivel parts means less maintenance and longer life
• More economical - rigid casters are typically less expensive than swivel casters

Additional benefits: chemical/moisture resistance, non‑marking, quiet rolling, cost‑effective.

Primary Applications - Straight‑Line Mobility (Wide Range of Use Cases)

• Industrial shelving & warehouse racks - mount rigid casters for easy reconfiguration of heavy storage
• Assembly line workbenches - mobile workstations with rigid casters for straight movement
• Logistics hand trucks & platform carts - warehouse carts often pair rigid casters with swivel casters
• Equipment bases (compressors, generators) - rigid casters keep heavy equipment from wandering off course
• Display racks & promotional kiosks - temporary retail displays, rigid casters for neat alignment
• Agricultural machinery - small farm equipment sprayer carts, rigid casters for straight rows
• Medical carts - hospital medicine carts, rigid casters provide stable straight movement
• Commercial kitchen equipment - mobile kitchen islands, shelving units - rigid casters for straight pushes
• Laboratory instrument carts - science lab mobile equipment, rigid casters ensure smooth linear motion
• Photography equipment carts - film set gear carts, rigid casters for straight pulling
• Cable reel bases - construction site cable reel carts, rigid casters prevent tangling from turning
• Automation equipment - AGVs, automated line follower wheels often use rigid casters
• Exhibition booth components - temporary modular displays, rigid casters for straight alignment

How It Works - Fixed Bracket, Straight‑Line Movement

The NRH R9201-50C caster is designed for straightforward attachment to the underside of equipment. The top plate (with multiple mounting holes) is bolted or screwed to the chassis. The wheel rotates on a precision axle. The fixed bracket has no swivel mechanism, so the wheel is locked in a single direction. The equipment can only move forward or backward along that axis - it cannot steer. In practice, rigid casters are often paired with swivel casters (e.g., two swivel casters at the front + two rigid casters at the rear) to achieve maneuverability while maintaining straight‑line stability. For four‑caster setups, the recommended total load capacity is calculated based on three casters (to account for uneven floors), giving a safe working load of 210kg (3 × 70kg).

Key Advantages

• High load capacity per caster - reliable for medium‑to‑heavy duty industrial equipment
• Lightweight PP construction - 121g reduces overall equipment weight
• Rigid design - straight‑line stability, high lateral force resistance
• Non‑marking black wheel - protects floors, quiet operation
• Chemical & impact resistant - withstands workshop oils and occasional bumps
• Easy mounting - precision hole pattern (see drawing) for quick installation
• OEM/ODM ready - custom wheel colors, plate sizes, or bearing types available

Technical Specifications

• Brand: NRH Box Hardware
• Model Number: R9201-50C
• Product Name: PP Rigid Caster
• Material: Polypropylene (PP)
• Finish: Black
• Net Weight: 121g
• Bearing Load: 70kg (static/dynamic per caster)
• Brake: No
• Swivel Type: Rigid (fixed direction)
• Key Dimensions: Refer to engineering drawing (mounting hole pattern, wheel diameter, overall height)
• Compliance: ISO 9001, REACH, RoHS, SVHC (available upon request - contact us for details)
• Note: Data for reference only. Manufacturer Since 1996. OEM/ODM Services Available. 2D/3D CAD on request.

Why Trust NRH

NRH Box Hardware has been designing and manufacturing industrial hardware since 1996. The R9201-50C PP rigid caster is produced under ISO 9001 certified quality control with full batch traceability. Its load capacity is tested to ensure reliable performance in workshops, warehousing, and logistics environments. For a lightweight, corrosion‑resistant, floor‑friendly caster that delivers straight‑line stability and durability, NRH delivers proven quality.