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Heavy Duty Kingpinless™ Casters

75-GTB-0825-S
75-GTB-0825-S
Top Plates
Standard Top Plate
Standard Top Plate
Optional 43ST/43RT
Optional 43ST/43RT

Optional 76ST/76RT
Optional 76ST/76RT
Optional 90ST/90RT
Optional 90ST/90RT
Swivel Sections and Cross Sections
KINGPINLESS™ CASTER SWIVEL SECTION
KINGPINLESS™ CASTER SWIVEL SECTION
Raceway Diameter
Raceway Diameter

RWM Casters 75 Series industrial casters feature the patented Kingpinless™ caster design. The 75 Series is recommended for the most demanding heavy duty industrial caster applications and is available with up to 3" wheels for higher capacity applications. All swivel sections are supplied with a lubrication fitting for field maintenance. The 75 series is case hardened to provide an extended service life. It will not crack like through hardened or induction hardened construction provided by other caster manufacturers.

Our 75 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: 6,000 lbs.
Leg Thickness:5/16" formed steel
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: 4-1/2" x 6-1/2" x 5/16"
Bolt Hole Spacing: 2-7/16" x 4--15/16", slotted to 3-3/8" x 5-1/4"
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"
43ST 5" x 5-1/2" 4-1/8" x 4-1/2" 3/8"
43RT 5" x 5-1/2" 4-1/8" x 4-1/2" 3/8"
76ST** 5-1/4" x 7-1/4" 3-3/8" x 5-1/4", slotted to 4-1/8" x 6-1/8" 1/2"
76RT 5-1/4" x 7-1/4" 3-3/8" x 5-1/4", slotted to 4-1/8" x 6-1/8" 1/2"
Applications
The 75 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 & trucks used in various industries including but not limited to: boat & 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, heavy duty power towed application seen in tire manufacturing 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
5" 2-1/2" Cast Iron 2000 6-1/2" 75-CIR-0525-S   75-CIT-0525-S 1-1/8" 18.0
6" 2-1/2" Cast Iron 1800 7-1/2" 75-CIR-0625-S   75-CIT-0625-S 1-5/16" 17.0
6" 2-1/2" Durastan 1600 7-1/2" 75-DUR-0625-S     1-5/16" 11.5
6" 2-1/2" Forged Steel 5000 7-1/2" 75-FSR-0625-S   75-FST-0625-S 1-5/16" 20.5
6" 2-1/2" GT 2300 7-1/2"   75-GTB-0625-S   1-5/16" 11.5
6" 2-1/2" Rubber on Iron 540 7-1/2" 75-RIR-0625-S     1-5/16" 16.5
6" 2-1/2" Urethane on Iron 1620 7-1/2" 75-UIR-0625-S   75-UIT-0625-S 1-5/16" 16.5
6" 2-1/2" V-Groove Iron 2500 7-1/2" 75-VIR-0625-S   75-VIT-0625-S 1-5/16" 16.5
6" 2-1/2" Rubber on Iron -EHT 810 7-1/2" 75-RIR-0625-S-EHT   75-RIT-0625-S-EHT 1-5/16" 16.5
6" 3" Cast Iron 3000 7-1/2" 75-CIR-0630-S   75-CIT-0630-S 1-5/16" 18.5
6" 3" Durastan 2000 7-1/2" 75-DUR-0630-S     1-5/16" 12.5
6" 3" Forged Steel 6000 7-1/2" 75-FSR-0630-S   75-FST-0630-S 1-5/16" 31.0
6" 3" Nylatron HD 6000 7-1/2"   75-NYB-0630-S   1-5/16" 12.5
6" 3" Rubber on Iron-EHT 1080 7-1/2" 75-RIR-0630-S-EHT   75-RIT-0630-S-EHT 1-5/16" 17.5
6" 3" Urethane on Iron 2000 7-1/2" 75-UIR-0630-S   75-UIT-0630-S 1-5/16" 17.5
6" 3" V-Groove Forged 6000 7-1/2" 75-VFR-0630-S   75-VFT-0630-S 1-5/16" 30.0
6" 3" Rubber on Iron 680 7-1/2" 75-RIR-0630-S     1-5/16" 17.5
8" 2-1/2" Cast Iron 2000 10-1/8" 75-CIR-0825-S   75-CIT-0825-S 2" 23.0
8" 2-1/2" Durastan 2000 10-1/8" 75-DUR-0825-S     2" 15.0
8" 2-1/2" Forged Steel 4500 10-1/8" 75-FSR-0825-S   75-FST-0825-S 2" 25.5
8" 2-1/2" GT 2400 10-1/8"   75-GTB-0825-S   2" 15.0
8" 2-1/2" Rubber on Iron-EHT 1005 10-1/8" 75-RIR-0825-S-EHT   75-RIT-0825-S-EHT 2" 18.5
8" 2-1/2" Urethane on Iron 1800 10-1/8" 75-UIR-0825-S   75-UIT-0825-S 2" 18.5
8" 2-1/2" V-Groove Iron 3000 10-1/8" 75-VIR-0825-S   75-VIR-0825-S 2" 27.0
8" 2-1/2" Rubber on Iron 670 10-1/8" 75-RIR-0825-3     2" 18.5
8" 3" Cast Iron 3000 10-1/8" 75-CIR-0830-S   75-CIT-0830-S 2" 26.0
8" 3" Durastan 2500 10-1/8" 75-DUR-0830-S     2" 16.5
8" 3" Forged Steel 5500 10-1/8" 75-FSR-0830-S   75-FST-0830-S 2" 26.0
8" 3" Infinity 4000 10-1/8"   75-UIB-0830-S-INF   2" 20.0
8" 3" Nylatron HD 6000 10-1/8"   75-NYB-0830-S   2" 16.0
8" 3" Rubber on Iron-EHT 1680 10-1/8" 75-RIR-0830-S-EHT   75-RIT-0830-S-EHT 2" 19.5
8" 3" Omega 1600 10-1/8" 75-UOR-0830-S   75-UOT-0830-S 2" 19.0
8" 3" Urethane on Iron 2500 10-1/8" 75-UIR-0830-S   75-UIT-0830-S 2" 19.5
8" 3" V-Groove Forged 6000 10-1/8" 75-VFR-0830-S   75-VFT-0830-S 2" 36.0
8" 3" V-Groove Iron 5000 10-1/8" 75-VIR-0830-S   75-VIT-0830-S 2" 26.0
8" 3" Rubber on Iron 840 10-1/8" 75-RIR-0830-S     2" 19.5
10" 2-1/2" Cast Iron 2500 11-1/2" 75-CIR-1025-S   75-CIT-1025-S 2-3/16" 25.5
10" 2-1/2" Durastan 2500 11-1/2" 75-DUR-1025-S     2-3/16" 16.5
10" 2-1/2" Rubber on Iron-EHT 1185 11-1/2" 75-RIR-1025-S-EHT   75-RIT-1025-S-EHT 2-3/16" 21.5
10" 2-1/2" Urethane on Iron 2370 11-1/2" 75-UIR-1025-S   75-UIT-1025-S 2-3/16" 21.5
10" 2-1/2" Rubber on Iron 790 11-1/2" 75-RIR-1025-S     2-3/16" 21.5
10" 3" Cast Iron 4000 11-1/2" 75-CIR-1030-S   75-CIT-1030-S 2-3/16" 23.0
10" 3" Durastan 2900 11-1/2" 75-DUR-1030-S     2-3/16" 20.0
10" 3" Forged Steel 6000 11-1/2" 75-FSR-1030-S   75-FST-1030-S 2-3/16" 41.0
10" 3" GT 3400 11-1/2"   75-GTB-1030-S   2-3/16" 20.0
10" 3" Infinity 5000 11-1/2"   75-UIB-1030-S-INF   2-3/16" 23.0
10" 3" Nylatron HD 6000 11-1/2"   75-NYB-1030-S   2-3/16" 21.0
10" 3" Omega 2000 11-1/2" 75-UOR-1030-S 75-UOB-1030-S 75-UOT-1030-S 2-3/16" 20.0
10" 3" Rubber on Aluminum-EHT 2000 11-1/2"   75-RAB-1030-S-EHT 75-RAT-1030-S 2-3/16" 20.3
10" 3" Rubber on Iron-EHT 2000 11-1/2" 75-RIR-1030-S-EHT   75-RIT-1030-S-EHT 2-3/16" 22.5
10" 3" Urethane on Iron 3000 11-1/2" 75-UIR-1030-S   75-UIT-1030-S 2-3/16" 22.5
10" 3" Ultra Thick Urethane 3400 11-1/2" 75-UTR-1030-S   75-UTT-1030-S 2-3/16" 25.0
10" 3" V-Groove Forged 6000 11-1/2" 75-VFR-1030-S   75-VFT-1030-S 2-3/16" 48.0
10" 3" V-Groove Iron 5000 11-1/2" 75-VIR-1030-S   75-VIT-1030-S 2-3/16" 23.0
10" 3" Rubber on Iron 1000 11-1/2" 75-RIR-1030-S     2-3/16" 22.5
12" 2-1/2" Durastan 3000 13-1/2" 75-DUR-1225-S     2-5/8" 20.5
12" 2-1/2" Rubber on Iron 900 13-1/2" 75-RIR-1225-S     2-5/8" 23.5
12" 2-1/2" Urethane on Iron 2700 13-1/2" 75-UIR-1225-S   75-UIT-1225-S 2-5/8" 23.5
12" 3" Cast Iron 5000 13-1/2" 75-CIR-1230-S   75-CIT-1230-S 2-5/8" 32.0
12" 3" Durastan 3500 13-1/2" 75-DUR-1230-S     2-5/8" 22.5
12" 3" Rubber on Aluminum-EHT 2280 13-1/2"   75-RAB-1230-S-EHT 75-RAT-1230-S 2-5/8" 24.5
12" 3" Rubber on Iron-EHT 2280 13-1/2" 75-RIR-1230-S-EHT   75-RIT-1230-S-EHT 2-5/8" 26.5
12" 3" Urethane on Iron 3400 13-1/2" 75-UIR-1230-S   75-UIT-1230-S 2-5/8" 26.5
12" 3" Ultra Thick Urethane 4100 13-1/2" 75-UTR-1230-S   75-UTT-1230-S 2-5/8" 28.0
12" 3" VGroove Iron 6000 13-1/2" 75-VIR-1230-S   75-VIT-1230-S 2-5/8" 43.0
12" 3" Rubber on Iron 1140 13-1/2" 75-RIR-1230-S   75-RIT-1230-S 2-5/8" 26.5
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.

* Subtract 1/16" OAH when using this top plate
** Add 1/16" OAH when using this top plate
*** Add 3/16" OAH when using this top plate