Product Description
Mast roller bearing BK 664206 for Baker electric lift trucks, manufactured of SAE 52100 alloy steel. Outer diameter 96.28 mm, inner diameter 39.77 mm, width 29.05 mm. Interchangeable with Cascade 664206, Komatsu 664206, 448642, and TSA/AC664206. Suitable for mast carriage assemblies, case-hardened raceways, built for high-load vertical applications.
Specifications
Material & Construction
| Hardness | Minimum 58 HRC (Rockwell Hardness) on raceways |
| Finish/Coating | Machine-ground raceways with anti-corrosion oil film |
Part Numbers
| OEM Part Number | BK 664206 |
| Cross-Reference Part Numbers | Cascade 664206, Helmar 448642, Komatsu 664206, TSA/AC664206 |
| Supersedes/Equivalent Part Numbers | TSA/AC664206, Helmar 448642 |
Frequently Asked Questions
Q: What is BK 664206 and where is it used?
A: BK 664206 is a mast roller bearing for Baker electric lift trucks. It is a case-hardened, SAE 52100 alloy steel bearing engineered for high-load vertical mast carriage applications in material handling equipment.
Q: What are the dimensions of BK 664206?
A: BK 664206 has an outer diameter of 96.28 mm, inner diameter of 39.77 mm, and width of 29.05 mm. Verify these dimensions match your mast carriage assembly before ordering.
Q: What material and hardness specification does BK 664206 have?
A: BK 664206 is manufactured from SAE 52100 alloy steel with machine-ground raceways and a minimum hardness of 58 HRC (Rockwell Hardness) on the raceways. Anti-corrosion finishing is applied to protect against environmental degradation.
Q: What are the cross-reference and equivalent part numbers for BK 664206?
A: BK 664206 is interchangeable with Cascade 664206, Komatsu 664206, Helmar 448642, and TSA/AC664206. These part numbers represent equivalent bearings from different OEM suppliers.
Q: Why is BK 664206 suitable for mast carriage applications?
A: BK 664206 is designed for vertical load-bearing applications. Its case-hardened construction, high Rockwell hardness, and SAE 52100 alloy steel composition provide durability and load capacity required for mast lifting operations.
Q: How do I identify if BK 664206 is the correct bearing for my equipment?
A: Verify your lift truck model and mast carriage assembly part number. Compare the bearing dimensions and cross-reference numbers against BK 664206 to confirm compatibility and load rating match your mast system.