Kingpinless Solid Polyurethane Swivel Top Plate Caster Set of 4 w/4" x 2" Blue Wheels - Includes 4 Swivel w/Bolt on Swivel Locks - 2800 lbs Total Capacity - Service Caster Brand

Details

Manufacturer

Service Caster

Model

Series#KP30

SKU

SCC-KP30S420-SPUR-BSL-4

Condition

new

Quantity

4

UPC

011586556515

Dimensions (L x W x H)

12 x 12 x 7.5 in

Shipping weight

31 lb

Posted

Sep 17, 2026, 7:00 PM CDT

Specifications

Bolt Size

3/8" (hardware not included)

Capacity

2800

Color

4 Swivel - Bolt On Swivel Locks - Blue

Durometer

60D

Heat Capacity

-50 degrees F to 180 degrees F

Item Weight Unit of Measure

pounds

Load Height

5-5/8"

Locking Type

4 Bolt On Swivel Locks

Lower Temperature

-50

Lower Temperature UofM

F

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

Locking Castersor Wheels

Yes

Swivels

Yes

Size

4" Wheel

Top Plate Size

4" x 4-1/2"

Tread Width

2

Tread Width UofM

inches

Type

(4) Swivel caster w/bolt on swivel lock

Wheel Bearing

Roller Bearing

Wheel Diameter

4

Wheel Diameter UofM

inches

Wheel Material

Solid Polyurethane

Wheel Size

4" x 2"

Wheel Type

Solid Polyurethane

Description

Listing is for a set of four (4) Service Caster Series #KP30 swivel casters with 4" diameter by 2" wide solid polyurethane wheels with bolt on swivel locks capable of supporting a total weight of 2,800 lbs. (700 lbs. per caster). When searching for a reliable and durable solution to your caster needs, consider Service Caster Series KP30 solid polyurethane wheel casters. The Service Caster Series KP30 features a non-marking, non-marring polyurethane wheel. Molded as one solid piece, this wheel is free from debonding, and will not flatspot, as can occur with comparable polyurethane wheels, ensuring a smooth and solid roll over long periods of time. Featuring a Kingpinless hot forged ASTM1045 steel design that increases caster durability and integrity, the series KP30 eliminates problems associated with kingpin failure due to severe shock loading. In addition, the Kingpinless design features 3/8” diameter HRC45 steel ball bearings which absorb thrust and load in severe environments. Lastly, Service Caster’s Series KP30 casters are finely crafted with grease fittings, and 4 position notches to accept 4-position locks. These highly versatile casters are ideal for a wide range of applications, such as dollies, platform trucks, warehouse carts and freight terminals. Even drywall carts, welding carts, and wall panel carts will be ready to roll on the Series KP30, keeping you moving forward. • These Service Caster Series #KP30 Solid Polyurethane 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 ranges from 700 lbs on the 4” caster, 1000 lbs on the 5”, 1200 lbs on the 6” and 1200 lbs. on the 8”. • 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. • Brake options include a side lock brake (SLB) which applies a positive locking force against the wheel hub which prevents the wheel from moving freely, or a bolt-on swivel lock (BSL) that when inserted into one of 4 notches found on the swivel raceway converts a swivel caster to rigid for straight-line tracking at any 90 degree angle. Combining both brake types ensures complete immobility over both swivel and wheel on the caster.