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85 Series Kingpinless™ Casters

Made in USA

Heavy Duty Kingpinless™ Casters

85-UIR-0830-S
85-UIR-0830-S
Top Plates
Standard Top Plate
Standard Top Plate
Optional 95ST/95RT
Optional 95ST/95RT

Optional LMST/LMRT
Optional LMST/LMRT
Optional LLST/LLRT
Optional LLST/LLRT
Swivel Sections and Cross Sections
KINGPINLESS™ CASTER SWIVEL SECTION
KINGPINLESS™ CASTER SWIVEL SECTION
Raceway Diameter
Raceway Diameter
RWM’s 85 Series caster features the patented Kingpinless™ caster design. This is the design that RWM patented, and that has proven itself to be the best solution for demanding applications. This is the caster design that all others are now copying because it is simply unmatched in extending service life, reducing all possible causes for caster failure. The 85 Series offers a capacity up to 10,000 pounds and is available with wheels up to 5" wide for higher capacity ratings. This caster is built to take the punishment experienced in high shock and impact loads.

Our 85 Series Casters are proudly made in the USA! Log in below to download CAD drawings of this caster.
Features
Raceway Design: Patented Kingpinless™ single ball bearing precision machined raceway hardened to 53 Rockwell C minimum. 4-1/4" diameter raceway with 5/8" ball bearings.
Capacity: 10,000 lbs.
Leg Thickness: 3/8", 3" wide for 3" wheels, 4" wide for 4" wheels, 5" wide for 5" wheels.
Axle: 3/4" bolt and nut for 3" wide, 1" or 1-1/4" bolt and nut for 4" wide, 1-1/4" bolt and nut for 5" wide.
Finish: Laguna Blue powder coat
Wheels: 3" wide wheels are available with either a 1" roller bearing that rotates on a 3/4" x 1" x 3-9/16" hardened and ground spanner bushing or 3/4" tapered bearings that rotate on a 3/4" axle. 4" and 5" wheels are available with either a 1-1/4" I.D. roller bearing which rotates on a hardened and ground spanner bushing or 1- 1/4" tapered bearings which rotate on the axle. All wheels are equipped with lubrication fitting.
Mounting Plate Size: 6" x 7" x 1/2"
Bolt Hole Spacing: 4-5/8" x 5-1/2", slotted to 4-3/8" x 5-5/8"
Mounting Bolt Diameter:1/2"
Options
CWB: Cam Wheel Brake
DSL: Demountable Swivel Lock - When ordering a Demountable Swivel Lock (DSL),
                        you must also order the Notched Yoke (NY).
HDSL: Heavy Duty Demountable Swivel Lock
HT: High Temperature Lubrication
LT: Low Temperature Lubrication
NY: Notched Yoke
PCWB: Poly Cam Wheel Brake
SL: Swivel Lock
SR: Sealed Swivel Raceway
ZP: Zinc Plate
HTP:High Temperature Paint
FG:Foot Guard
8SL:8 Position Swivel Lock
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
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"
LLST 8-1/2" x 11" 7" x 9-3/4" 5/8"
LLRT 8-1/2" x 11" 7" x 9-3/4" 5/8"
LMST 8-1/2" X 8-1/2" 7" x 7" 5/8"
LMRT 8-1/2" X 8-1/2" 7" x 7" 5/8"
Applications
The 85 Series typical applications include dollies, utility carts, tow line and platform trucks. It 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.
Specifications
spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart spec Chart
6" 2-1/2" Forged Steel 5000 8-1/2" 85-FSR-0625-S   85-FST-0625-S 2" 23.0
6" 2-1/2" GT 2300 8-1/2"   85-GTB-0625-S   2" 17.0
6" 3" Cast Iron 3000 8-1/2" 85-CIR-0630-S   85-CIT-0630-S 2" 24.0
6" 3" Durastan 2000 8-1/2" 85-DUR-0630-S     2" 17.0
6" 3" Forged Steel 7000 8-1/2" 85-FSR-0630-S   85-FST-0630-S 2" 28.0
6" 3" Nylatron HD 10000 8-1/2"   85-NYB-0630-S   2" 18.0
6" 3" Rubber on Iron-EHT 1080 8-1/2" 85-RIR-0630-S-EHT   85-RIT-0630-S-EHT 2" 20.0
6" 3" Urethane 2000 8-1/2" 85-UIR-0630-S   85-UIT-0630-S 2" 23.0
6" 3" V-Groove Forged 7000 8-1/2" 85-VFR-0630-S   85-VFT-0630-S 2" 32.0
6" 3" Rubber on Iron 680 8-1/2" 85-RIR-0630-S     2" 20.0
8" 2-1/2" Forged Steel 4500 10-1/2" 85-FSR-0825-S   85-FST-0825-S 2-1/2" 30.0
8" 2-1/2" GT 2400 10-1/2"   85-GTB-0825-S   2-1/2" 21.0
8" 2-1/2" Rubber on Iron-EHT 1005 10-1/2" 85-RIR-0825-S-EHT   85-RIT-0825-S-EHT 2-1/2" 23.0
8" 2-1/2" V-Groove Iron 3000 10-1/2" 85-VIR-0825-S   85-VIT-0825-S 2-1/2" 27.0
8" 2-1/2" Rubber on Iron 670 10-1/2" 85-RIR-0825-S     2-1/2" 23.0
8" 3" Cast Iron 3000 10-1/2" 85-CIR-0830-S   85-CIT-0830-S 2-1/2" 28.0
8" 3" Durastan 2500 10-1/2" 85-DUR-0830-S     2-1/2" 21.0
8" 3" Forged Steel 5500 10-1/2" 85-FSR-0830-S   85-FST-0830-S 2-1/2" 32.0
8" 3" Infinity 4000 10-1/2"   85-UIB-0830-S-INF   2-1/2" 26.0
8" 3" Nylatron HD 10000 10-1/2"   85-NYB-0830-S   2-1/2" 22.0
8" 3" Omega 1600 10-1/2" 85-UOR-0830-S 85-UOB-0830-S 85-UOT-0830-S 2-1/2" 26.0
8" 3" Rubber on Iron 840 10-1/2" 85-RIR-0830-S   85-RIT-0830-S 2-1/2" 23.0
8" 3" Urethane on Iron 2500 10-1/2" 85-UIR-0830-S   85-UIT-0830-S 2-1/2" 26.0
8" 3" V-Groove Forged Steel 6000 10-1/2" 85-VFR-0830-S   85-VFT-0830-S 2-1/2" 29.0
8" 3" V-Groove Iron 5000 10-1/2" 85-VIR-0830-S   85-VIT-0830-S 2-1/2" 30.0
8" 3" Rubber on Iron-EHT 1260 10-1/2" 85-RIR-0830-S-EHT   85-RIT-0830-S-EHT 2-1/2" 23.0
8" 4" Cast Iron 4000 10-1/2" 85-CIR-0840-S   85-CIT-0840-S 2-1/8" 34.0
8" 4" Forged Steel 10000 10-1/2" 85-FSR-0840-S   85-FST-0840-S 2-1/8" 36.0
8" 4" Urethane on Iron 3500 10-1/2" 85-UIR-0840-S   85-UIT-0840-S 2-1/8" 28.0
8" 4" V-Groove Forged Steel 10000 10-1/2" 85-VFR-0840-S   85-VFT-0840-S 2-1/8" 36.0
10" 3" Cast Iron 4000 12-1/2" 85-CIR-1030-S   85-CIT-1030-S 2-9/16" 38.0
10" 3" Durastan 2900 12-1/2" 85-DUR-1030-S     2-9/16" 25.0
10" 3" Forged Steel 6000 12-1/2" 85-FSR-1030-S   85-FST-1030-S 2-9/16" 39.0
10" 3" GT 3400 12-1/2"   85-GTB-1030-S   2-9/16" 25.0
10" 3" Infinity 5000 12-1/2"   85-UIB-1030-S-INF   2-9/16" 32.0
10" 3" Nylatron HD 10000 12-1/2"   85-NYB-1030-S   2-9/16" 26.0
10" 3" Omega 2000 12-1/2" 85-UOR-1030-S 85-UOB-1030-S 85-UOT-1030-S 2-9/16" 32.0
10" 3" Rubber on Aluminum-EHT 2000 12-1/2"   85-RAB-1030-S-EHT 85-RAT-1030-S-EHT 2-9/16" 26.0
10" 3" Rubber on Iron 1000 12-1/2" 85-RIR-1030-S   85-RIT-1030-S 2-9/16" 28.0
10" 3" Ultra Thick Urethane 3400 12-1/2" 85-UTR-1030-S   85-UTT-1030-S 2-9/16" 28.0
10" 3" Urethane on Iron 3000 12-1/2" 85-UIR-1030-S   85-UIT-1030-S 2-9/16" 32.0
10" 3" V-Groove Forged Steel 6000 12-1/2" 85-VFR-1030-S   85-VFT-1030-S 2-9/16" 39.0
10" 3" V-Groove Iron 5000 12-1/2" 85-VIR-1030-S   85-VIT-1030-S 2-9/16" 44.0
10" 3" Rubber on Iron-EHT 2000 12-1/2" 85-RIR-1030-S-EHT   85-RIT-1030-S-EHT 2-9/16" 28.0
10" 4" Forged Steel 10000 12-1/2" 85-FSR-1040-S   85-FST-1040-S 2-9/16" 44.0
10" 4" Rubber on Iron 1400 12-1/2" 85-RIR-1040-S   85-RIT-1040-S 2-9/16" 32.0
10" 4" Ultra Thick Urethane 4500 12-1/2" 85-UTR-1040-S   85-UTT-1040-S 2-9/16" 32.0
10" 4" Urethane on Iron 4200 12-1/2" 85-UIR-1040-S   85-UIT-1040-S 2-9/16" 27.0
12" 3" Cast Iron 5000 15-1/2" 85-CIR-1230-S   85-CIT-1230-S 3-7/8" 41.0
12" 3" Nylatron HD 10000 15-1/2"   85-NYB-1230-S   3-5/8" 38.0
12" 3" Durastan 3500 15-1/2" 85-DUR-1230-S     3-7/8" 29.0
12" 3" Rubber on Aluminum-EHT 2280 15-1/2"   85-RAB-1230-S-EHT 85-RAT-1230-S-EHT 3-7/8" 35.0
12" 3" Rubber on Iron 1140 15-1/2" 85-RIR-1230-S   85-RIT-1230-S 3-7/8" 38.0
12" 3" Ultra Thick Urethane 4100 15-1/2" 85-UTR-1230-S   85-UTT-1230-S 3-7/8" 31.0
12" 3" Urethane on Iron 3400 15-1/2" 85-UIR-1230-S   85-UIT-1230-S 3-7/8" 42.0
12" 3" V-Groove Iron 6000 15-1/2" 85-VIR-1230-S   85-VIT-1230-S 3-7/8" 43.0
12" 3" Rubber on Iron-EHT 2280 15-1/2" 85-RIR-1230-S-EHT   85-RIT-1230-S-EHT 3-7/8" 38.0
12" 4" Durastan 4000 15-1/2" 85-DUR-1240-S     3-5/8" 28.0
12" 4" Rubber on Iron 1600 15-1/2" 85-RIR-1240-S   85-RIT-1240-S 3-5/8" 29.0
12" 4" Ultra Thick Urethane 5300 15-1/2" 85-UTR-1240-S   85-UTT-1240-S 3-5/8" 36.0
12" 4" Urethane on Iron 4800 15-1/2" 85-UIR-1240-S   85-UIT-1240-S 3-5/8" 29.0
12" 5" Rubber on Iron 2050 15-1/2" 85-RIR-1250-S   85-RIT-1250-S 3-5/8" 44.0
12" 5" Ultra Thick Urethane 6500 15-1/2" 85-UTR-1250-S   85-UTT-1250-S 3-5/8" 45.0
12" 5" Urethane on Iron 6000 15-1/2" 85-UIR-1250-S   85-UIT-1250-S 3-5/8" 48.0
To order a rigid caster, change the “S" to “R" in the model number. For example: “85-CIR-0840-R". To order a rig only, omit the blue letters. For example: “85-0840-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.