Product Description
BEARING RING, SKU BR 28700-055, for electric lift truck applications. Precision-machined tapered roller bearing ring, 55 mm bore diameter, 110 mm outer diameter, 39 mm width, constructed of high-carbon chrome steel (GCR15), hardened to HRC 60 ±2. Manufactured for OEM Barrett electric lift trucks.
Specifications
Material & Construction
| Surface Finish | Machined precision ground |
| Hardness | HRC 60 ±2 |
Mechanical Specifications
| Tolerance (Bore/OD) | ISO Class 6 |
Part Numbers
| Manufacturer Part Number | BR 28700-055 |
Frequently Asked Questions
Q: What material is the BR 28700-055 bearing ring made of?
A: The BR 28700-055 is machined from high-carbon chrome steel (GCR15) with a hardness of HRC 60 ±2, designed for precision bearing applications.
Q: What are the dimensions of this bearing ring?
A: The BR 28700-055 features a 55 mm bore diameter, 110 mm outer diameter, and 39 mm width, manufactured to ISO Class 6 tolerance specifications.
Q: What is the bore tolerance specification?
A: The bore diameter is manufactured to ISO Class 6 precision tolerance, ensuring proper fit for tapered roller bearing assemblies in electric lift truck applications.
Q: What equipment does this bearing ring fit?
A: This precision-machined tapered roller bearing ring is engineered for OEM Barrett electric lift truck wheel and drive assemblies.
Q: Why is the hardness specification important?
A: The HRC 60 ±2 hardness provides the bearing surface with sufficient strength to withstand repeated rolling contact loads in continuous lift truck duty cycles without premature wear or deformation.