Service Caster Brand Replacement for McMaster Carr Caster 30305T56 - Swivel Top Plate Caster with 4 Inch Thermoplastic Rubber Flat Tread Gray Wheel - 300 lbs. Capacity Per Caster

Details

Manufacturer

Service Caster

Model

Series #30

SKU

MCM-SCC-30CS420-TPRRF

Condition

new

Quantity

1

UPC

734005225167

Harmonized code

8302.20.0000

Dimensions (L x W x H)

8 x 8 x 8 in

Shipping weight

6 lb

Posted

Sep 17, 2026, 7:00 PM CDT

Specifications

Bolt Size

3/8" (hardware not included)

Capacity

300

Color

Swivel - No Brake - Gray

Durometer

75A

Heat Capacity

-20 degrees F to 180 degrees F

Item Dimension Unit of Measure

inches

Item Weight Unit of Measure

pounds

Load Height

5-5/8"

Lower Temperature

-20

Lower Temperature UofM

F

Material Type

Thermoplastic Rubber

Maximum Temperature

180

Maximum Temperature UofM

F

Mounting Height

5-5/8"

Mounting Type

Top Plate

Plating/Coating

Bright Zinc Plated Finish

Casters Mounting Method

Plate

Swivels

Yes

Size

30305T56

Top Plate Size

4" x 4-1/2"

Tread Width

2

Tread Width UofM

inches

Type

Swivel caster

Wheel Bearing

Roller Bearing

Wheel Diameter

4

Wheel Diameter UofM

inches

Wheel Material

Thermoplastic Rubber Tread on Polyolefin Core

Wheel Size

4" x 2"

Wheel Type

Thermoplastic Rubber Flat Tread on Polyolefin Core

Description

Listing is for one (1) Service Caster Series #30 swivel caster with a 4" diameter, 2" wide thermoplastic rubber tread on polyolefin core wheel. Supports 300 pounds (lbs) per caster. Introducing Service Caster's replacement caster, a perfect alternative to the McMaster Carr caster 30305T56. When searching for a reliable and durable solution for medium and heavy duty projects, consider Service Caster’s Series 30 top plate thermoplastic rubber flat tread on polyolefin core casters. The soft flat tread is made of thermoplastic rubber that is non-marking and non-marring, and on the polyolefin core provides a long lasting, high capacity wheel that is capable of easy rolling under heavy loads. Finely crafted with double ball bearing heat treated raceways, these versatile casters are ideal for a wide range of applications, such as dollies, platform trucks, warehouse carts and freight terminals. Or ensure a smooth and secure ride for food service carts, hotel housekeeping carts, and industrial and commercial equipment. Even drywall carts, welding carts, and wall panel carts will be ready to roll on the Series 30, keeping you moving forward. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward. • These Service Caster Series #30 Thermoplastic Rubber Flat Tread on Polyolefin Core casters offer various wheel sizes and mounting heights: 4” wheel: 5-5/8” mounting height; 5” wheel: 6-1/2” mounting height; 6” wheel: 7-1/2” mounting height; 8” wheel: 9-1/2” mounting height. • Weight Capacity: 4": 300 lbs Capacity/Caster, 5": 350 lbs Capacity/Caster, 6": 500 lbs. Capacity/Caster, and 8": 600 lbs Capacity/Caster • Top plate measures at 4" x 4-1/2" with a bolt hole pattern of 2-5/8" x 3-5/8" to 3" x 3" and can either be bolted or welded on. • HARDWARE NOT INCLUDED