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Heavy Duty Kingpinless™ Casters

76-UOT-0830-S
76-UOT-0830-S
Top Plates
Standard Top Plate
Standard Top Plate
Optional 42ST/42RT
Optional 42ST/42RT

Optional 90ST/90RT
Optional 90ST/90RT
Optional 95ST/95RT
Optional 95ST/95RT
Swivel Sections and Cross Sections
KINGPINLESS™ CASTER SWIVEL SECTION
KINGPINLESS™ CASTER SWIVEL SECTION
Raceway Diameter
Raceway Diameter

RWM Casters 76 Series industrial casters feature the patented Kingpinless™ caster design. This is the design that RWM patented, and that has proven to be the best solution for demanding heavy duty applications. This is the caster design that all others are copying because it is simply unmatched in extending service life, reducing all possible causes for caster failure.

The 76 Series offers up to 7000 lb. capacity and is available with a wide variety of wheels in 3" width. This caster is designed with beefier legs and extended leads making it an excellent option for towing operation in automotive assembly plants, tire manufacturing and heavy duty industrial applications demanding a superior product. All swivel sections are supplied with a lubrication fitting for field maintenance. The 76 series is case hardened for extended service life. It will not crack like through hardened or induction hardened construction provided by other caster manufacturers. Our 76 series industrial casters are proudly made in the USA! Log in below to download free 2D or 3D CAD drawings and models of this caster. If our standard product line doesn’t meet your specifications, give us a call. Custom design and production of custom casters for application specific standards is our specialty!

Features
Raceway Design: Patented Kingpinless™ single ball bearing precision machined raceway hardened to 53 Rockwell C minimum. Swivel section features 3" diameter raceway with 1/2" ball bearings. The notched raceway is standard.
Capacity: 7,000 lbs.
Leg Thickness: 3/8"
Axle: 3/4" bolt with lock or slotted nut as required
Finish: Laguna Blue powder coat
Wheels: Wheels are available with either a 1" roller bearing which rotates on a hardened and ground spanner bushing or 3/4" tapered bearings that rotate on the axle. All wheels are equipped with a lubrication fitting.
Mounting Plate Size: 5-1/4" x 7-1/4" x 3/8"
Bolt Hole Spacing: 3-3/8" x 5-1/4", slotted to 4-1/8" x 6-1/8"
Mounting Bolt Diameter: 1/2"
Options
CWB: Cam Wheel Brake
DSL: Demountable Swivel Lock
HT: High Temperature Lubrication
LT: Low Temperature Lubrication
PCWB: Poly Cam Wheel Brake
SL: Swivel Lock
SR: Sealed Swivel Raceway
ZP: Zinc Plated
FICWB: Field Installable Cam Wheel Brake (FICWB Brake is for swivel casters only)
HTP:High Temperature Paint
FG:Foot Guard
LSL:L-Type Swivel Lock
VSL:Vertical Swivel Lock
SWP:Sweeper Brush
Benefits of Kingpinless™ Raceway
Benefits of Kingpinless™ RacewayOur patented offset precision-machined raceway exerts radial force evenly where there is full contact between the ball bearing and the raceway. RWM's unique design adds more mass at key points. This, plus more thorough heat treatment, provides additional strength and combats brinelling into the core material.

The Result:
  • No direct "hammering" forces on the intersections of the raceways
  • Vastly reduced raceway wear
  • Elimination of the "pull apart" forces of stress in the swivel section
  • Smoother swiveling action
  • High maneuverability
  • Longer service life
  • Less maintenance
  • Extra impact resistance
  • High radial force absorption
Optional Mounting Plates
Optional Top Plate Number Mounting Plate Bolt Hole Spacing Bolt Size
90ST* 6" x 7" 4-5/8" x 5-1/2" slotted to 4-3/8" x 5-5/8" 1/2"
90RT 6" x 7" 4-5/8" x 5-1/2" slotted to 4-3/8" x 5-5/8" 1/2"
95ST* 6" x 7-1/2" 4-1/2" x 6" slotted to 4-1/8" x 6-1/8" 1/2"
95RT 6" x 7-1/2" 4-1/2" x 6" slotted to 4-1/8" x 6-1/8" 1/2"
75ST** 4-1/2" x 6- 1/2" 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4" 1/2"
75RT 4-1/2" x 6- 1/2" 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4" 1/2"
Applications
The 76 Series typical applications include dollies, utility carts, tow line and platform trucks. This caster is also ideal for: tow lines, shock load applications and abusive conditions, production line dollies and trucks used in various industries including but not limited to: boat and ship molding and building, automotive, aerospace, metal fabricating, metal forging, heavy machinery and equipment, military equipment, mobile homes, etc. Tractor pulled trailers, extreme duty platform trucks and material handling carts, air cargo and ground support equipment, storage tanks, gantries and heavy duty processing equipment, coliseum and gymnasium equipment, shipping/receiving carts, warehousing and freight terminal dollies and carts, and countless other heavy duty applications. This caster is the mainstay in tire manufacturing.
Specifications
spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart
5" 2-1/2" Cast Iron 2000 7" 76-CIR-0525-S   76-CIT-0525-S 2" 18.0
6" 2-1/2" Cast Iron 1800 8" 76-CIR-0625-S   76-CIT-0625-S 2-1/4" 17.0
6" 2-1/2" Durastan 1600 8" 76-DUR-0625-S     2-1/4" 11.5
6" 2-1/2" Forged Steel 5000 8" 76-FSR-0625-S   76-FST-0625-S 2-1/4" 20.5
6" 2-1/2" GT 2300 8"   76-GTB-0625-S   2-1/4" 11.5
6" 2-1/2" Rubber on Iron-EHT 810 8" 76-RIR-0625-S-EHT   76-RIT-0625-S-EHT 2-1/4" 16.5
6" 2-1/2" Urethane on Iron 1620 8" 76-UIR-0625-S   76-UIT-0625-S 2-1/4" 16.5
6" 2-1/2" V-Groove Iron 2500 8" 76-VIR-0625-S   76-VIT-0625-S 2-1/4" 16.5
6" 2-1/2" Rubber on Iron 670 8" 76-RIR-0625-S     2-1/4" 16.5
6" 3" Cast Iron 3000 8" 76-CIR-0630-S   76-CIT-0630-S 2-1/4" 18.5
6" 3" Durastan 2000 8" 76-DUR-0630-S     2-1/4" 12.5
6" 3" Forged Steel 7000 8" 76-FSR-0630-S   76-FST-0630-S 2-1/4" 31.0
6" 3" Nylatron HD 7000 8"   76-NYB-0630-S   2-1/4" 12.5
6" 3" Rubber on Iron-EHT 1080 8" 76-RIR-0630-S-EHT   76-RIT-0630-S-EHT 2-1/4" 17.5
6" 3" Urethane on Iron 2000 8" 76-UIR-0630-S   76-UIT-0630-S 2-1/4" 17.5
6" 3" V-Groove Forged 7000 8" 76-VFR-0630-S   76-VFT-0630-S 2-1/4" 30.0
6" 3" Rubber on Iron 680 8" 76-RIR-0630-S     2-1/4" 17.5
8" 2-1/2" Cast Iron 2000 10-1/2" 76-CIR-0825-S   76-CIT-0825-S 2-15/16" 23.0
8" 2-1/2" Durastan 2000 10-1/2" 76-DUR-0825-S     2-15/16" 15.0
8" 2-1/2" Forged Steel 4500 10-1/2" 76-FSR-0825-S   76-FST-0825-S 2-15/16" 25.5
8" 2-1/2" GT 2400 10-1/2"   76-GTB-0825-S   2-15/16" 15.0
8" 2-1/2" Rubber on Iron-EHT 1005 10-1/2" 76-RIR-0825-S-EHT   76-RIT-0825-S-EHT 2-15/16" 18.5
8" 2-1/2" Urethane on Iron 2000 10-1/2" 76-UIR-0825-S   76-UIT-0825-S 2-15/16" 18.5
8" 2-1/2" V-Groove Iron 3000 10-1/2" 76-VIR-0825-S   76-VIT-0825-S 2-15/16" 27.0
8" 2-1/2" Rubber on Iron 670 10-1/2" 76-RIR-0825-S     2-15/16" 18.5
8" 3" Cast Iron 3000 10-1/2 " 76-CIR-0830-S   76-CIT-0830-S 2-15/16" 26.0
8" 3" Durastan 2500 10-1/2 " 76-DUR-0830-S     2-15/16" 16.5
8" 3" Forged Steel 5500 10-1/2 " 76-FSR-0830-S   76-FST-0830-S 2-15/16" 26.0
8" 3" Infinity 4000 10-1/2 "   76-UIB-0830-S-INF   2-15/16" 20.0
8" 3" Nylatron HD 7000 10-1/2 "   76-NYB-0830-S   2-15/16" 16.0
8" 3" Omega 1600 10-1/2 " 76-UOR-0830-S 76-UOB-0830-S 76-UOT-0830-S 2-15/16" 19.0
8" 3" Rubber on Iron-EHT 1680 10-1/2 " 76-RIR-0830-S-EHT   76-RIT-0830-S-EHT 2-15/16" 19.5
8" 3" Urethane on Iron 2500 10-1/2 " 76-UIR-0830-S   76-UIT-0830-S 2-15/16" 19.5
8" 3" V-Groove Iron 5000 10-1/2 " 76-VIR-0830-S   76-VIT-0830-S 2-15/16" 26.0
8" 3" V-Groove Forged 6000 10-1/2 " 76-VFR-0830-S   76-VFT-0830-S 2-15/16" 36.0
8" 3" Rubber on Iron 840 10-1/2 " 76-RIR-0830-S     2-15/16" 19.5
10" 2-1/2" Cast Iron 2500 12-1/2" 76-CIR-1025-S   76-CIT-1025-S 3-3/8" 25.5
10" 2-1/2" Durastan 2500 12-1/2" 76-DUR-1025-S     3-3/8" 16.5
10" 2-1/2" Rubber on Iron-EHT 1185 12-1/2" 76-RIR-1025-S-EHT   76-RIT-1025-S-EHT 3-3/8" 21.5
10" 2-1/2" Urethane on Iron 2370 12-1/2" 76-UIR-1025-S   76-UIT-1025-S 3-3/8" 21.5
10" 2-1/2" Rubber on Iron 790 12-1/2" 76-RIR-1025-S     3-3/8" 21.5
10" 3" Cast Iron 4000 12-1/2" 76-CIR-1030-S   76-CIT-1030-S 3-3/8" 23.0
10" 3" Durastan 2900 12-1/2" 76-DUR-1030-S     3-3/8" 20.0
10" 3" Forged Steel 6000 12-1/2" 76-FSR-1030-S   76-FST-1030-S 3-3/8" 41.0
10" 3" GT 3400 12-1/2"   76-GTB-1030-S   3-3/8" 20.0
10" 3" Infinity 5000 12-1/2"   76-UIB-1030-S-INF   3-3/8" 23.0
10" 3" Nylatron HD 7000 12-1/2"   76-NYB-1030-S   3-3/8" 21.0
10" 3" Omega 2000 12-1/2" 76-UOR-1030-S 76-UOB-1030-S 76-UOT-1030-S 3-3/8" 22.0
10" 3" Rubber on Aluminum-EHT 2000 12-1/2"   76-RAB-1030-S-EHT 76-RAT-1030-S-EHT 3-3/8" 20.3
10" 3" Rubber on Iron-EHT 2000 12-1/2" 76-RIR-1030-S-EHT   76-RIT-1030-S-EHT 3-3/8" 22.5
10" 3" Urethane on Iron 3000 12-1/2" 76-UIR-1030-S   76-UIT-1030-S 3-3/8" 22.5
10" 3" Ultra Thick Urethane 3400 12-1/2" 76-UTR-1030-S   76-UTT-1030-S 3-3/8" 26.0
10" 3" V-Groove Forged 6000 12-1/2" 76-VFR-1030-S   76-VFT-1030-S 3-3/8" 48.0
10" 3" V-Groove Iron 5000 12-1/2" 76-VIR-1030-S   76-VIT-1030-S 3-3/8" 23.0
10" 3" Rubber on Iron 1000 12-1/2" 76-RIR-1030-S     3-3/8" 22.5
12" 2-1/2" Durastan 3000 15-1/2" 76-DUR-1225-S     4-5/16" 20.5
12" 2-1/2" Rubber on Iron 900 15-1/2" 76-RIR-1225-S   76-RIT-1225-S 4-5/16" 23.5
12" 2-1/2" Urethane on Iron 2700 15-1/2" 76-UIR-1225-S     4-5/16" 23.5
12" 3" Cast Iron 5000 15-1/2" 76-CIR-1230-S   76-CIT-1230-S 4-5/16" 32.0
12" 3" Nylatron HD 7000 15-1/2"   76-NYB-1230-S   4-5/16" 26.0
12" 3" Durastan 3500 15-1/2" 76-DUR-1230-S     4-5/16" 22.5
12" 3" Rubber on Aluminum-EHT 2280 15-1/2"   76-RAB-1230-S-EHT 76-RAT-1230-S-EHT 4-5/16" 24.5
12" 3" Rubber on Iron-EHT 2280 15-1/2" 76-RIR-1230-S-EHT   76-RIT-1230-S-EHT 4-5/16" 26.5
12" 3" Urethane on Iron 3400 15-1/2" 76-UIR-1230-S   76-UIT-1230-S 4-5/16" 26.5
12" 3" Ultra Thick Urethane 4100 15-1/2" 76-UTR-1230-S   76-UTT-1230-S 4-5/16" 29.0
12" 3" V-Groove Iron 6000 15-1/2" 76-VIR-1230-S   76-VIT-1230-S 4-5/16" 43.0
12" 3" Rubber on Iron 1140 15-1/2" 76-RIR-1230-S   76-RIT-1230-S 4-5/16" 26.5
To order a rigid caster, Dimensions shown are change the “S" to “R" in the model number. For example: “76-CIR-1230-R". To order a rig only, omit the blue letters. For example: “76-1230-S". nominal. If precise dimensions are required, consult your RWM representative. For approximate weight of our rigid casters, deduct 3.9 pounds.

* Add 1/8" OAH when using this top plate
** Subtract 1/16" OAH when using this top plate