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Ridewell RAR-244 Trailer Underslung Air Ride Suspension - Non-Steerable - 16,000 lb Capacity - 2441001
Ridewell RAR-244 Trailer Underslung Air Ride Suspension - Non-Steerable - 16,000 lb Capacity - 2441001
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$1,263.10 USD
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Ridewell RAR-244-5-6RH-16K-USW is a non-steerable underslung air ride suspension engineered for trailer drop axle applications requiring higher capacity and precise axle alignment. The suspension provides controlled vertical travel, compact packaging, and long service life for on-highway trailer use.
Key Features
- Underslung trailer air ride suspension
- Non-steerable configuration
- 16,000 lb suspension capacity rating
- Shear-type pivot bolt axle alignment system
- Adjuster plate and alignment washer per hanger
- Shock absorber equipped
- Designed for electric or hydraulic brake systems
Technical Specifications
| Model | RAR-244-5-6RH-16K-USW |
| Application | Trailer |
| Suspension Type | Air Ride, Underslung |
| Steerability | Non-steerable |
| Capacity | 16,000 lbs |
| Ride Height Range | 5.5" to 6.0" |
| Axle Seat Type or Diameter | 5.0" axle seat |
Torque Specifications
| Fastener | Torque Value |
|---|---|
| Pivot Bolt / Nut (Shear-Type) | Torque until Torx head shears off |
| Shock Bolt / Nut, 3/4"-10 | 200-230 ft-lb |
| Air Spring Fasteners, 3/4"-16 | 45-50 ft-lb |
| Air Spring Fasteners, 1/2"-13 | 20-25 ft-lb |
Ride Height / Travel
| Mounting Height | Up Travel | Down Travel | Pivot to Axle |
|---|---|---|---|
| 6.0" | 2.5" | 5.5" | 17.71"-17.73" |
Included Components (Bill of Materials)
| Item | Qty | Part Number | Description |
|---|---|---|---|
| 1 | 2 | 1000038 | Air Spring SP 559387-KP-118 |
| 2 | 1 | 1130048 | Pivot Bolt, Round Head, Shear-Type |
| 3 | 2 | 1140071 | HHCS 3/4"-10NC x 10" LG, Grade 8, Zinc Plated |
| 4 | 2 | 1147698B105 | HHCS 3/4"-10NC x 3-1/4" LG |
| 5 | 4 | 1150023 | Locknut 3/4"-10NC Controlk |
| 6 | 2 | 1150067 | Locknut 7/8"-9UNC Flanged |
| 7 | 4 | 1150555B112 | Locknut 1/2"-13NC Nylon Insert |
| 8 | 2 | 1150558B102 | Nut 3/4"-16NF Grade 2 |
| 9 | 2 | 1160036 | Washer 7/8" F436 Zinc Coated |
| 10 | 2 | 1167680B000 | Wear Washer, UHMW-PE |
| 11 | 2 | 1270009 | Shock Assembly, 4.8" |
| 12 | 1 | 3260508 | Hanger Assembly, LH |
| 13 | 1 | 3260509 | Hanger Assembly, RH |
| 14 | 1 | 4280922 | Beam Assembly, LH |
| 15 | 1 | 4280923 | Beam Assembly, RH |
| 16 | 2 | 7001723B000 | Air Spring Plate, 7-1/4" Octagon |
| 17 | 2 | 7003095 | Alignment Washer, 3.63" OD |
| 18 | 2 | 7003096 | Adjuster Plate, 3.63" OD |
| 19 | 2 | 1110086 | Bushing, Narrow |
Installation Notes
- Axle alignment must be performed in accordance with SAE or TMC recommended standards.
- Installer must set the suspension to the specified mounting height before torquing the pivot bolt to prevent bushing pre-load.
- Pivot bolt must be torqued using an E-20 Torx socket until the Torx head shears off.
- Welding of adjuster plates or alignment washers to the hanger is not required or recommended.
- Suspension fasteners must be re-torqued at 6,000 miles and every 50,000 miles thereafter. Do not re-torque pivot fasteners.
- Axle-to-suspension welding must follow Ridewell Weld Process No. 1.
- Customer-furnished crossmembers and filler plates are required.
Maintenance Notes
- Inspect air springs, shocks, bushings, and fasteners during routine service intervals.
- Do not re-torque shear-type pivot fasteners.
- Replace bushings using Ridewell-approved replacement kits as required.
Warranty Notes
- Suspension systems are warranted to be free from defects in material and workmanship when properly installed and maintained.
- Stated capacity rating applies to suspension only. Axle, brake, and wheel end ratings are per their manufacturers.
Add-On Products (Sold Separately)
- Bushing Replacement Kit -- 6040128 or 6040078
- Lift Kit for 16K RAR-244 -- 2990153
- HCK Kit SPL, 16K 2441001 -- 6241027
- Air Control Kits (contact Ridewell for available configurations)
