Product Description
TTT77306 bearing assembly for manual pallet jack applications. Precision sealed ball bearing, 20 mm bore × 47 mm OD × 14 mm width, constructed from hardened chrome steel with rubber seals. Compatible with manual pallet jack load wheel and steer wheel assemblies. Manufacturer part number TTT77306, no published cross-reference equivalents available.
Specifications
Material & Construction
| Bearing Raceway Material | SAE 52100 chrome steel |
| Retainer Material | Polyamide plastic cage |
| Hardness | Rockwell C58-64 (raceway surfaces) |
Part Numbers
| Manufacturer Part Number | TTT77306 |
| Compatible Equipment | Manual pallet jacks with bearing assembly specification matching TTT77306 |
Performance
| Service Factor | 1.0 for continuous industrial warehouse duty cycle |
Frequently Asked Questions
Q: What are the dimensions and bore specifications for the TTT77306 bearing assembly?
A: The TTT77306 is a precision sealed ball bearing with a 20 mm bore, 47 mm outer diameter, and 14 mm width. The raceway is constructed from SAE 52100 hardened chrome steel with Rockwell C58-64 hardness. This bearing assembly fits manual pallet jack load wheel and steer wheel applications requiring these exact specifications.
Q: Which manual pallet jack models use the TTT77306 bearing assembly?
A: The TTT77306 is compatible with manual pallet jacks that specify this bearing assembly part number. Verify your equipment documentation for TTT77306 as the bearing assembly requirement before ordering. There are no published cross-reference equivalents, so confirm the exact part number match with your pallet jack model.
Q: What materials are used in the TTT77306 bearing construction?
A: The TTT77306 features SAE 52100 chrome steel raceways with rubber seals for protection. The retainer is constructed from polyamide plastic cage material. These materials provide durability and load capacity for manual pallet jack wheel assembly service, with a service factor of 1.0 for continuous operation.
Q: How long does the TTT77306 bearing typically last in manual pallet jack service?
A: Bearing lifespan depends on operating conditions, load cycles, and maintenance. The TTT77306 is rated for continuous service with a 1.0 service factor. Regular inspection for seal integrity and proper lubrication maintain performance. Replace if bearing noise, grinding, or resistance increases, or if seals are compromised.
Q: Is there a cross-reference part number for the TTT77306?
A: No published cross-reference equivalents are available for the TTT77306. This bearing assembly is identified by manufacturer part number TTT77306 only. Order using the exact part number to ensure correct fitment for your manual pallet jack load wheel or steer wheel assembly.
