Product Description
The GW 880-A-SG load wheel assembly is designed specifically for electric lift trucks, providing exceptional performance in high-cycle pallet systems. It features a high-durability 95A polyurethane tread, ensuring longevity and reliability under industrial conditions.
Specifications: 3.250 inch diameter x 6.500 inch width (3.250" x 6.500" | 3.25 x 6.5 wheel | 3-1/4 x 6-1/2 | 82.55mm x 165.10mm) | Bearing ID: 25mm (0.984 inch bore | 25.000mm ID)
• Integrated double shielded ball bearings (ZZ type) for smooth operation
• Polymer string guards to prevent debris intrusion
• Precision spacer set for optimal alignment and performance
This load wheel assembly is engineered for electric lift trucks, making it ideal for applications requiring durability and resistance to wear in demanding environments.
Specifications
Material & Construction
| Bearing Material | Through-hardened chromium steel |
Part Numbers
| Manufacturer Part Number | GW 880-A-SG |
| Cross-Reference Part Numbers | GP 880-A-SG, GP880-A-SG, GW880-A, GP 880-A, GP880-A |
| OEM Part Number | GW 880-A-SG |
| Equivalent Part Numbers | GW880-A, GP880-A |
Wheel Dimensions
| Outside Diameter | 3.25 |
| Width Side to Side | 6.5 |
Frequently Asked Questions
Q: What does SG mean on the GW 880-A-SG part number?
A: SG indicates shielded double bearings with integrated ZZ type shielding. The GW 880-A-SG wheel assembly comes pre-installed with through-hardened chromium steel ball bearings, double shielded on both sides. This design protects the bearing from dust, moisture, and contamination common in warehouse and loading dock environments.
Q: Is GW 880-A-SG compatible with trucks designed for the standard GW 880-A?
A: Verify your truck axle configuration before substituting. The GW 880-A-SG has the same 3.250 x 6.500 wheel dimensions and 25mm bearing ID as the standard GW 880-A, but the integrated double-shielded bearing setup may have a different overall hub width or bearing seat depth. Check your truck manual or consult the truck manufacturer with the serial number. If the truck is designed for single-bearing wheels, do not force the -SG version onto the axle.
Q: What is the equivalent part number for GW 880-A-SG?
A: GW 880-A-SG is equivalent to GP 880-A-SG and GP880-A-SG. All three reference the identical pre-assembled shielded wheel with double ZZ type bearings, 3.250 x 6.500 dimensions, and 95A polyurethane tread. Use any of these part numbers interchangeably when ordering or cross-referencing supplier catalogs.
Q: Can you replace just the bearing in a GW 880-A-SG wheel, or must you replace the entire wheel?
A: The integrated double-shielded bearing design on the GW 880-A-SG makes bearing replacement impractical. The bearing and wheel core are assembled as a single unit. If bearing noise or resistance develops, replace the entire wheel assembly. Attempting to press out sealed ZZ bearings risks damage to the wheel core. New replacement wheels cost less than field bearing replacement labor and downtime.
Q: What maintenance does the GW 880-A-SG require?
A: Double-shielded bearings require minimal maintenance. Monthly, spin the wheel by hand to verify smooth rotation and listen for grinding or noise. If resistance increases or wobble develops, schedule wheel replacement. Do not attempt to lubricate sealed bearings; the shield prevents access and over-greasing will cause pressure buildup and seal failure. The wheel is maintenance-free until bearing failure occurs, at which point the entire assembly must be replaced.