Ideal for warehouse managers, facility planners, and maintenance teams operating industrial wire shelving units who need reliable wall and equipment protection. These 3" diameter rubber donut bumpers absorb impact, prevent costly wall damage, and extend the lifespan of your mobile shelving systems while meeting OSHA safety compliance standards.

Best For
How to choose
Specs at a Glance
| Material | Rubber (Non-Marking) |
| Diameter | 3 inches |
| Color | Black |
| Quantity Per Case | 4 Bumpers |
| Recyclable | Yes |
Common Use Cases
- Wall protection on mobile wire shelving units in warehouses Impact cushioning for equipment casters in distribution centers Noise reduction on industrial shelving in manufacturing facilities Floor and wall damage prevention in high-traffic storage areas OSHA compliance safety upgrades for material handling equipment
What You'll Receive
- 4 Donut Bumpers (3" diameter) Ready-to-install rubber caster bumpers
Shipping & Packaging
Frequently Asked Questions
These donut bumpers are designed specifically to work with WSCASTER swivel casters (sold separately). They fit 3" diameter caster applications. Verify caster compatibility before purchase to ensure proper fit and performance.
No. The non-marking rubber construction prevents staining and discoloration on painted walls, vinyl flooring, and finished surfaces, maintaining facility aesthetics while protecting infrastructure.
Standard mobile wire shelving units typically require 4 bumpers (one per caster). This case of 4 covers one complete shelving unit. Order multiple cases for multi-unit installations.
Yes. The rubber construction absorbs impact and vibration, significantly reducing noise from rolling casters on concrete floors, improving working conditions and reducing equipment wear.
Technical Specifications
| Diameter | 3 inches |
| Quantity Per Case | 4 Bumpers |
| Recyclable | Yes |
| Color | Black |
| Strength / Material | Rubber |
Shipping Information
Unit of Measure
CASE
Qty Per Shipping Unit
4 PER CASE
LTL Freight Class
Class 70
Delivery Method
Shown at checkout
Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.
Checkout shows available shipping options for the selected SKU and quantity. Use the shipping and refund policy links for current policy details before ordering.
For larger, recurring, freight-sensitive, or mixed-SKU orders, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.
ORDER SUPPORT
Product Support
Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.
Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.
Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.
Contact product supportBuyer guides
Buying notes and spec resources stay here instead of taking space above the cart.
Use this product as the source
3" Black Rubber Donut Bumpers for Swivel Casters - Case of 4
Related products
Shop related supplies
Compare resources using the current product page data: SKU WSBUMPER , type Bins, Shelving & Storage , sold-as unit CASE / pack count 4 PER CASE . Confirm the product page price, availability, and selected variant before ordering.
Compare nearby products by size, material, quantity, and SKU before ordering.
Product support Get product helpUse support for product-fit questions; when this page shows price and Add to Cart, checkout is the direct ordering path.



