76 Series Casters


The 76 Series Kingpinless caster easily handles heavy loads, with up to 7000 lb. capacity, and we offer many different wheel configurations in 3” width to meet your needs. This built-to-last metal caster is designed with extended leads and stronger, thicker legs that really pull their weight under pressure. Swivel components come with lubricated fittings for simple maintenance in the field.

Get high-quality custom casters from the experts at RWM Casters. Contact us at 800-634-7704 now.

Raceway DesignPatented Kingpinless™ single ball bearing precision machined raceway hardened to 53 Rockwell C minimum. Swivel section features 3” diameter raceway with ½” ball bearings. The notched raceway is standard.
CapacityUp to 7000 lbs.
Leg Thickness3/8”
Axle3/4” bolt with lock or slotted nut as required.
FinishLaguna blue powder coat.
WheelsWheels are available with either a 1” roller bearing which rotates on a hardened and ground spanner brushing or ¾” tapered bearings that rotate on the axle. All wheels are equipped with lubricated fitting.
Mounting Plate Size5-1/4”x7-1/4”x3/8”
Bolt Hole Spacing3-3/8”x5-1/4” slotted to 4-1/8”x6-1/8”
Mounting Bolt Diameter1/2”
Tow linesBoat & ship molding and building
Abusive conditionsStorage tanks & gantries
AutomotiveShock load applications
AerospaceProduction line dollies
Metal fabricatingHeavy machinery
Military equipmentMobile homes
Tractor pulled trailersExtreme duty platform trucks
Air cargo & ground support equipmentHeavy-duty processing equipment

Bearing Selection Guide

CAD Download Instructions


* Subtract 1/16" OAH when using this top plate
** Add 1/8" OAH when using this top plate
CWBCam Wheel Brake
FICWBField Installable Cam Wheel Brake
MICWBMetal Installable Cam Wheel Brake
PCWBPoly Cam Wheel Brake
DSLDemountable Swivel Lock
FOSLFoot Operated Swivel Lock
LSLL-Type Swivel Lock
SLSwivel Lock
VSLVertical Swivel Lock
HTHigh Temperature Lubrication
LTLow Temperature Lubrication
HTPHigh Temperature Paint
ZPZinc Plated
SRSealed Raceway
SWPSweeper Brush

Wheel Diameter

Wheel Width


Wheel Type

Overall Height

Roller Bearing

Ball Bearing

Tapered Bearing

Swivel Lead

Approx Weight
5″2-1/2″2000Cast Iron7″76-CIR-0525-S76-CIT-0525-S2″18
6″2-1/2″670Rubber on Iron8″76-RIR-0625-S2-1/4″16.5
6″2-1/2″1080Rubber on Iron-EHT8″76-RIR-0625-S-EHT76-RIT-0625-S-EHT2-1/4″16.5
6″2-1/2″1620Urethane on Iron8″76-UIR-0625-S76-UIT-0625-S2-1/4″16.5
6″2-1/2″1800Cast Iron8″76-CIR-0625-S76-CIT-0625-S2-1/4″17
6″2-1/2″2500V-Groove Iron8″76-VIR-0625-S76-VIT-0625-S2-1/4″16.5
6″2-1/2″5000Forged Steel8″76-FSR-0625-S76-FST-0625-S2-1/4″20.5
6″3″680Rubber on Iron8″76-RIR-0630-S2-1/4″17.5
6″3″1360Rubber on Iron-EHT8″76-RIR-0630-S-EHT76-RIT-0630-S-EHT2-1/4″17.5
6″3″2000Urethane on Iron8″76-UIR-0630-S76-UIT-0630-S2-1/4″17.5
6″3″3000Cast Iron8″76-CIR-0630-S76-CIT-0630-S2-1/4″18.5
6″3″7000Forged Steel8″76-FSR-0630-S76-FST-0630-S2-1/4″31
6″3″7000Nylatron HD8″76-NYB-0630-S2-1/4″12.5
6″3″7000V-Groove Forged8″76-VFR-0630-S76-VFT-0630-S2-1/4″30
8″2-1/2″670Rubber on Iron10-1/2″76-RIR-0825-S2-15/16″18.5
8″2-1/2″1340Rubber on Iron-EHT10-1/2″76-RIR-0825-S-EHT76-RIT-0825-S-EHT2-15/16″18.5
8″2-1/2″2000Cast Iron10-1/2″76-CIR-0825-S76-CIT-0825-S2-15/16″23
8″2-1/2″2000Urethane on Iron10-1/2″76-UIR-0825-S76-UIT-0825-S2-15/16″18.5
8″2-1/2″3000V-Groove Iron10-1/2″76-VIR-0825-S76-VIT-0825-S2-15/16″27
8″2-1/2″4500Forged Steel10-1/2″76-FSR-0825-S76-FST-0825-S2-15/16″25.5
8″3″840Rubber on Iron10-1/2 “76-RIR-0830-S2-15/16″19.5
8″3″1500Rubber on Aluminum-EHT10-1/2 “76-RAB-0830-S-EHT76-RAT-0830-S-EHT2-15/16″14
8″3″1680Rubber on Iron-EHT10-1/2 “76-RIR-0830-S-EHT76-RIT-0830-S-EHT2-15/16″19.5
8″3″1600Omega10-1/2 “76-UOR-0830-S76-UOB-0830-S76-UOT-0830-S2-15/16″19
8″3″1680Rubber on Iron-EHT10-1/2 “76-RIR-0830-S-EHT76-RIT-0830-S-EHT2-15/16″19.5
8″3″2500Durastan10-1/2 “76-DUR-0830-S2-15/16″16.5
8″3″2500Urethane on Iron10-1/2 “76-UIR-0830-S76-UIT-0830-S2-15/16″19.5
8″3″3000Cast Iron10-1/2 “76-CIR-0830-S76-CIT-0830-S2-15/16″26
8″3″4000Infinity10-1/2 “76-UIB-0830-S-INF2-15/16″20
8″3″5500Forged Steel10-1/2 “76-FSR-0830-S76-FST-0830-S2-15/16″26
8″3″7000Nylatron HD10-1/2 “76-NYB-0830-S2-15/16″16
8″3″5000V-Groove Iron10-1/2 “76-VIR-0830-S76-VIT-0830-S2-15/16″26
8″3″6000V-Groove Forged10-1/2 “76-VFR-0830-S76-VFT-0830-S2-15/16″36
10″2-1/2″790Rubber on Iron12-1/2″76-RIR-1025-S3-3/8″21.5
10″2-1/2″1580Rubber on Iron-EHT12-1/2″76-RIR-1025-S-EHT76-RIT-1025-S-EHT3-3/8″21.5
10″2-1/2″2370Urethane on Iron12-1/2″76-UIR-1025-S76-UIT-1025-S3-3/8″21.5
10″2-1/2″2500Cast Iron12-1/2″76-CIR-1025-S76-CIT-1025-S3-3/8″25.5
10″3″1000Rubber on Iron12-1/2″76-RIR-1030-S3-3/8″22.5
10″3″2000Rubber on Aluminum-EHT12-1/2″76-RAB-1030-S-EHT76-RAT-1030-S-EHT3-3/8″20.3
10″3″2000Rubber on Iron-EHT12-1/2″76-RIR-1030-S-EHT76-RIT-1030-S-EHT3-3/8″22.5
10″3″3000Urethane on Iron12-1/2″76-UIR-1030-S76-UIT-1030-S3-3/8″22.5
10″3″3400Ultra Thick Urethane12-1/2″76-UTR-1030-S76-UTT-1030-S3-3/8″26
10″3″4000Cast Iron12-1/2″76-CIR-1030-S76-CIT-1030-S3-3/8″23
10″3″5000V-Groove Iron12-1/2″76-VIR-1030-S76-VIT-1030-S3-3/8″23
10″3″6000Forged Steel12-1/2″76-FSR-1030-S76-FST-1030-S3-3/8″41
10″3″6000V-Groove Forged12-1/2″76-VFR-1030-S76-VFT-1030-S3-3/8″48
10″3″7000Nylatron HD12-1/2″76-NYB-1030-S3-3/8″21
12″2-1/2″900Rubber on Iron15-1/2″76-RIR-1225-S76-RIT-1225-S4-5/16″23.5
12″2-1/2″2700Urethane on Iron15-1/2″76-UIR-1225-S4-5/16″23.5
12″3″1140Rubber on Iron15-1/2″76-RIR-1230-S76-RIT-1230-S4-5/16″26.5
12″3″2280Rubber on Aluminum-EHT15-1/2″76-RAB-1230-S-EHT76-RAT-1230-S-EHT4-5/16″24.5
12″3″2280Rubber on Iron-EHT15-1/2″76-RIR-1230-S-EHT76-RIT-1230-S-EHT4-5/16″26.5
12″3″3400Urethane on Iron15-1/2″76-UIR-1230-S76-UIT-1230-S4-5/16″26.5
12″3″4100Ultra Thick Urethane15-1/2″76-UTR-1230-S76-UTT-1230-S4-5/16″29
12″3″5000Cast Iron15-1/2″76-CIR-1230-S76-CIT-1230-S4-5/16″32
12″3″6000V-Groove Iron15-1/2″76-VIR-1230-S76-VIT-1230-S4-5/16″43
12″3″7000Nylatron HD15-1/2″76-NYB-1230-S4-5/16″26

To order a rigid caster, change the “S” to “R” in the model number. For example: “75-CIR-1030-R.” To order a rig only, omit the blue letters. For example: “75-1030-S.” Dimensions shown are nominal. If precise dimensions are required, consult your RWM representative. For approximate weight of our rigid caster, deduct 3.9 pounds.

Case Hardened Kingpinless Casters — for Strength You Can Count On

The case hardened 76 Series caster provides maximum service life, making this an extremely cost-effective product. These Kingpinless metal heavy-duty casters eliminate cracking risks, unlike the often-unreliable through-hardened or induction-hardened casters that other manufacturers offer.

  • Case hardening, also called surface hardening or carburizing, is a superior process used here at RWM. Case hardening is a thermochemical method that reinforces metal casters by adding a layer of another, more durable metal alloy. This increases hardness on the outside, while the inner, low-carbon core remains slightly softer, to counteract any brittleness. This makes our casters stand up to heavy loads and long-term use without cracking.
  • Through hardening is the process of using a rapidly heating and quenching (cooling in water or oil) metal to increase steel hardness. This process can leave the metal caster somewhat brittle, and prone to breaking under stress, unfortunately.
  • Induction hardening exposes metal caster parts to electromagnetic energy creating an alternating current in the caster component. This heats the metal, but typically hardens only a certain area, leaving other areas somewhat weaker and vulnerable to cracking and breaking.

When you need case-hardened, heavy-duty Kingpinless casters, choose the 76 Series from RWM Casters! Call us at 800-634-7704 to place your order today.

Top Applications for 76 Series Casters

These case-hardened heavy-duty casters work well for industrial towing operations in automotive assembly lines and tire manufacturing plants, boat and shipbuilding, as well as other heavy commercial applications that call for an incredibly strong and reliable product. What’s more, our 76 Series industrial casters are proudly made in the USA!

Why Buy From RWM?

With our huge stock of caster components and wheel options on hand, we can custom create the exact type and feature set that you require. This system allows us to meet tight product delivery deadlines with the highest-quality standards in heavy-duty caster manufacturing. We inspect and ship our custom casters properly lubricated, so you can use them immediately and keep maintenance tasks to a minimum.

At RWM, we are dedicated to making your job easier. We understand your need for strong, easily maneuverable, and extremely durable casters like the 76 Series. We supply only the best caster products in order to keep your business moving at pace and to help it grow in a competitive environment.

Purchase your Kingpinless casters from the most capable and experienced supplier of quality casters—RWM. Contact us at 800-634-7704 today.