BEARINGS
The Bearing by Rolko features precision stainless steel construction designed for seamless fit as a replacement wheelchair bearing in casters.
Keep Every Wheel Rolling Smoothly
Rolko's sealed 2RS ball bearings keep your wheels and casters turning smoothly. Each type has rubber seals on both sides to help keep out dust and debris, and every bearing ships in a convenient set of four. Available in six sizes — in both metric and imperial dimensions — to fit a wide range of wheelchair wheels and casters.
◎ ROLKO BEARINGS FEATURES ◎
Double-Sealed 2RS
Rubber seals on both sides help keep dust and debris out for smoother, longer-lasting performance.
Sold in Sets of 4
Every bearing type ships as a set of four — enough to outfit your wheels or casters in one order.
Six Types & Sizes
From 608 to 6002 and R6 to R8, in metric and imperial dimensions to match your hardware.
Smooth, Precise Rolling
Matched outer and inner diameters for a precise fit in wheelchair wheels and casters.
◎ WHEELCHAIR BEARINGS SPECIFICATIONS ◎
All bearings are sealed 2RS and sold in sets of 4 pcs. · R8-2RS fits Ti-Lite casters.
◎ REPLACEMENT WHEELCHAIR BEARING MEASUREMENT GUIDE ◎
Measure Before You Match
Every bearing is defined by its outer diameter, inner (bore) diameter, and width. Check your current bearing against the table above to find the exact match — sizes are listed in both millimeters and inches.
See the diagram for how each measurement is taken.
Rolko Replacement Wheelchair Bearings Buyer’s Guide
The Rolko Replacement Wheelchair Bearings are precision-engineered replacement components designed to restore smooth, low-friction rolling to wheelchair casters and rear wheels. Constructed from high-durability steel and featuring dual-rubber seals (2RS), these bearings protect internal ball bearings from dirt, hair, and moisture—ensuring long-lasting mobility and effortless propulsion across all terrain types.
Double-Sealed 2RS Protective Shield
Each bearing in the Rolko series is equipped with rubber seals on both sides (2RS). This dual-seal design prevents dust, hair, grit, and water from entering the internal raceway, preserving factory lubrication and extending overall component service life.
Precision Smooth-Rolling Ball Bearings
Built with tight tolerances for exact inner and outer diameter matching, Rolko bearings reduce rotational friction and wobble. Upgrading worn bearings reduces push effort, minimizing fatigue on the user's hands, wrists, and shoulders during daily navigation.
Rolko Wheelchair Bearings Metric & Imperial Size Availability
To ensure compatibility with a broad spectrum of manual wheelchairs, transport chairs, and power bases, Rolko offers six standard metric and imperial sizes:
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608-2RS: 22 mm Outer Ø | 8 mm Inner Ø
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6001-2RS: 28 mm Outer Ø | 12 mm Inner Ø
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6002-2RS/C3: 32 mm Outer Ø | 15 mm Inner Ø
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1607-2RS: 23/32" Outer Ø | 7/16" Inner Ø
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R6-2RS: 7/8" Outer Ø | 3/8" Inner Ø
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R8-2RS: 1-1/8" Outer Ø | 1/2" Inner Ø (Fits TiLite casters)
Convenient Set of 4 Packaging
Rolko packages these replacement bearings in convenient 4-piece sets. This allows caregivers and users to replace both bearings on two front casters or two rear axle hubs simultaneously in a single purchase.
Broad Wheelchair Brand Compatibility
Whether servicing manual rigid active chairs (like TiLite, Ki Mobility, or Motion Composites) or standard institutional chairs (Invacare, Sunrise Medical, Drive Medical), Rolko bearings match OEM hub specifications for direct drop-in replacement.
Rolko Replacement Wheelchair Bearings Review
The Rolko Replacement Wheelchair Bearings offer a reliable, cost-effective way to restore quiet, fluid mobility to squeaky or stiff caster wheels. With their durable double-sealed protection, versatile size selection, and complete 4-pack value, they are an essential component for routine wheelchair maintenance.
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ROLKO NORTH AMERICA, INC.
LIMITED WARRANTY AND MEDICAL DEVICE DISCLAIMER
◎ WARRANTY AT A GLANCE ◎
◎ TERMS & COVERAGE ◎
1. Applicability and Scope
Rolko North America, Inc. (“Seller”) warrants to its business customers only (“Buyer”) that the products sold by Seller are free from defects in materials and workmanship under normal use and service. This Limited Warranty applies solely to business to business transactions. Sales to consumers are expressly excluded and are not covered. Seller acts solely as a distributor of medical equipment components and accessories. Seller does not design, manufacture, or determine the clinical suitability of products for any specific medical application unless expressly stated in writing.
2. Warranty Period
This Limited Warranty is valid for a period of six (6) months from the date of delivery to Buyer.
5. Alignment With Manufacturer Warranties
To the extent permitted by law, this Limited Warranty is intended to align with and flow down from the warranty terms provided by Seller’s upstream manufacturers and suppliers, including but not limited to Rolko Germany and MK Battery. Seller does not provide any warranty beyond those expressly stated herein or beyond what is provided by the original manufacturer.
3. Warranty Remedies
If a product is determined by Seller to be defective within the warranty period, Seller shall, at its sole discretion, do one of the following:
- Repair the defective product
- Replace the defective product with the same or a functionally equivalent product
If Seller is unable to repair or replace the product within a reasonable time, Buyer’s sole remaining remedy shall be a refund of the original purchase price paid for the defective product. These remedies constitute Buyer’s sole and exclusive remedies and Seller’s entire liability for any breach of this Limited Warranty.
◎ DISCLAIMERS & REGULATORY ◎
4. Medical Device and Regulatory Disclaimer
Products distributed by Seller may be classified as medical devices or medical device accessories under applicable U.S. and international regulations. Buyer acknowledges and agrees that Seller does not provide medical advice or clinical determinations. Buyer is solely responsible for verifying product compatibility, regulatory compliance, and suitability for Buyer’s intended use, including compliance with FDA, state, and international regulatory requirements. Final product configuration, labeling, and intended use determination rests solely with Buyer or the original equipment manufacturer. Seller makes no warranty that products are fit for any particular medical purpose, treatment, or patient application.
8. Disclaimer of Implied Warranties
EXCEPT AS EXPRESSLY SET FORTH HEREIN, SELLER MAKES NO WARRANTIES, EXPRESS OR IMPLIED. ALL IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED TO THE MAXIMUM EXTENT PERMITTED BY LAW.
◎ EXCLUSIONS & JURISDICTION ◎
6. Exclusions and Limitations
This Limited Warranty does not cover defects or damage resulting from misuse, abuse, improper installation, improper storage, alteration, modification, or repair by parties other than Seller or an authorized manufacturer. Normal wear and tear, cosmetic damage, or consumable components are excluded. Accidents, negligence, or failure to follow instructions or specifications are excluded. Indirect, incidental, special, or consequential damages including loss of profits, loss of use, downtime, labor costs, or replacement costs are excluded.
7. Notice of Defects
Buyer must notify Seller in writing of any alleged defect within ten (10) business days after discovery. Failure to provide timely notice voids this Limited Warranty for the claimed defect.
9. Governing Law and Jurisdiction
This Limited Warranty shall be governed by the laws of the State of Iowa, USA. Any dispute arising out of or relating to this Limited Warranty shall be brought exclusively in the state or federal courts located in Iowa.
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