Product Description
6205LLB bearing assembly for manual pallet jack applications; single-row deep groove ball bearing, 25 mm bore, 52 mm outer diameter, 15 mm width, contact rubber seals, suitable for replacement and OEM assemblies. Cross-references include NTN 6205LLB, 6205-2RS, 6205LLU.
Specifications
Material & Construction
| Bearing Steel Specification | SAE 52100 chrome steel |
| Seal Material | NBR (nitrile rubber) |
Part Numbers
| Manufacturer Part Number | 6205LLB |
| Cross-Reference Part Numbers | NTN 6205LLB, 6205LL, 6205-2RS, 6205LLU, Nachi 6205-2NSE, KOYO 6205-2RS |
Frequently Asked Questions
Q: What are the specifications of the 6205LLB bearing?
A: The 6205LLB is a single-row deep groove ball bearing with a 25 mm bore, 52 mm outer diameter, 15 mm width, and dual contact rubber seals (NBR nitrile rubber). It is constructed from SAE 52100 chrome steel and is designed for manual pallet jack wheel and pump applications.
Q: What is the difference between 6205LLB and 6205LLU?
A: Both 6205LLB and 6205LLU designate sealed variants with dual contact rubber seals. The LLB and LLU designations may vary by manufacturer but typically indicate the same bearing type. Verify dimensions and seal material with the specific supplier before cross-referencing.
Q: What cross-reference part numbers are available for the 6205LLB?
A: The 6205LLB cross-references include NTN 6205LLB, 6205LL, 6205-2RS, 6205LLU, Nachi 6205-2NSE, and KOYO 6205-2RS. Dimensions are consistent across these references (25 mm bore, 52 mm OD, 15 mm width), making them interchangeable for radial load applications.
Q: What material is the 6205LLB bearing made from?
A: The 6205LLB is manufactured from SAE 52100 chrome steel (hardened bearing steel), which provides high fatigue strength, hardness, and resistance to wear and corrosion in manual pallet jack and material handling equipment applications.
Q: Is the 6205LLB suitable for wet or cold storage environments?
A: Yes. The dual NBR nitrile rubber seals on the 6205LLB provide protection against water and moisture ingress. This makes it suitable for wet floors and cold storage applications where moisture contamination is a concern. The sealed design extends bearing lifespan in these challenging environments.
Q: How does seal contact affect bearing friction and heat?
A: Contact seals on the 6205LLB produce slightly higher friction than open bearings or shielded variants. This results in minimal heat generation under moderate pallet jack speeds (typically under 8400 RPM). The trade-off is improved contamination protection, which protects bearing internal components.