Product Description
OD: 3.149 inch or 80MM; ID: 1.378 inch or 35MM; Width: 0.827 inch or 21MM
Frequently Asked Questions
Q: What are the dimensional specifications for the BS 6307 2RS bearing?
A: The BS 6307 2RS has an outer diameter of 3.149 inches (80 mm), an inner diameter of 1.378 inches (35 mm), and a width of 0.827 inches (21 mm). Always verify these measurements against your equipment bore and housing specifications before ordering to ensure proper fit and load distribution.
Q: What is the 2RS seal configuration and when is it recommended?
A: The 2RS designation indicates two contact rubber seals (one on each side of the bearing) that make light contact with the inner race. These seals trap grease and block moisture and dirt more effectively than shields. Specify 2RS for wet floor, cold storage, and high-contamination environments typical in food distribution and freezer warehouses.
Q: Which equipment brands and types use the BS 6307 2RS bearing?
A: The BS 6307 2RS is compatible with manual pallet jacks, electric pallet jacks, load wheels, and casters from Crown, Toyota, Raymond, Yale, Hyster, Jungheinrich, Linde, Clark, Mitsubishi, CAT, and BT. Verify your specific equipment model number and serial range for compatibility confirmation.
Q: How does the BS 6307 2RS compare to the BS 6307 ZZ version?
A: Both bearings share identical dimensions and internal geometry. The 2RS version has rubber contact seals providing superior water exclusion and grease retention, while the ZZ version uses non-contact steel shields with lower friction. Choose 2RS for damp or wet environments; choose ZZ for clean, dry indoor warehouses requiring lower drag.
Q: What is the maximum operating speed and load capacity of the BS 6307 2RS?
A: The BS 6307 2RS supports maximum rotation speeds around 7,500 to 8,000 RPM with dynamic radial loads up to approximately 49 kN, depending on precision grade and lubrication. Seal friction slightly reduces maximum speed compared to ZZ shields. Actual capacity varies with bearing manufacturer and material (typically high-carbon chromium steel, Class 0 ISO/JIS grade).