Bearing Assembly for Manual Pallet Jacks
CB2
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Compatibility
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Product Description
Liftsplus.com CB2 bearing assembly is a single shielded deep groove ball bearing designed for manual pallet jack wheel assemblies. Manufactured from through-hardened high-carbon steel, the bearing is press-fit into the wheel hub and features factory-applied lifetime lubrication. The CB2 bearing features a single metal shield for protection against contaminants, compatible with most standard 20mm ID, 47mm OD, 14mm width configurations for manual pallet jacks.
Specifications
Material
| Material Specification | High-carbon steel, through-hardened |
Part Numbers
| Manufacturer Part Number | CB2 |
| OEM Part Number | CB2 |
Frequently Asked Questions
Q: What are the specifications of the CB2 bearing assembly?
A: The CB2 is a single shielded deep groove ball bearing with 20mm bore diameter, 47mm outside diameter, and 14mm width. It is manufactured from through-hardened high-carbon steel and features a factory-applied lifetime lubrication coating. The single metal shield protects against warehouse contaminants while allowing grease to remain sealed inside.
Q: What does the single shield mean for bearing protection?
A: The single metal shield on the CB2 provides one-sided protection against dust and debris typical in warehouse environments. Unlike fully sealed bearings (2RS), the single shield design allows some air circulation while keeping out larger contaminants. This is standard for most manual pallet jack wheel bearings.
Q: Is the CB2 bearing pre-lubricated?
A: Yes. The CB2 features factory-applied lifetime lubrication, meaning it arrives pre-packed with bearing grease and does not require additional lubrication at installation. The lifetime lubrication is designed to last through the normal service life of the bearing in typical manual pallet jack duty cycles.
Q: What manual pallet jack models use the CB2 bearing?
A: The CB2 fits most standard manual pallet jacks that use 20mm ID, 47mm OD, 14mm width bearing configurations. This includes equipment from Crown, Toyota, Raymond, Yale, and other manufacturers with matching specifications. Verify your wheel hub bore matches 20mm ID before ordering.
Q: Can the CB2 be used in cold storage or wet warehouse conditions?
A: The CB2 single-shielded bearing is suitable for standard warehouse environments. For cold storage facilities (below 32 degrees Fahrenheit) or heavy wet-floor applications, the factory grease may become too stiff or contaminated. Consider alternative sealed bearings (2RS type) or consult with bearing specifications for extreme conditions.
Q: How long does a CB2 bearing last before replacement?
A: Service life depends on load frequency and operating conditions. Under normal warehouse use, the CB2 typically lasts 2-3 years before showing wear. Replace if you notice noise, grinding, or resistance when rotating the wheel. Inspect annually and replace sooner if contamination or degradation is visible.