SKF 6312NR Deep-groove ball bearing
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Product Description
SKF 6312NR deep-groove ball bearing. Deep-groove ball bearing designed for combined radial and moderate axial load, high running speed and low frictional torque. Manufactured to ISO 492 (Class Normal / P6 / P5) with standard C0 radial internal clearance unless a suffix declares otherwise. Available in open, single-shielded (Z), double-shielded (2Z), single-lip contact-sealed (RSH / RS1), and double-lip contact-sealed (2RSH / 2RS1) execution. Bore, outside diameter and width follow the ISO 15 dimension plan. Boundary plan per ISO 15: bore d = 60 mm, outside diameter D = 130 mm, width B = 31 mm.
Technical Specifications
- Type
- Deep-groove ball bearing
- Designation
- SKF 6312NR
- Standard
- ISO 15 / DIN 623 dimension plan; ISO 492 Class Normal precision
- Bore d
- 60 mm
- Outside diameter D
- 130 mm
- Width B
- 31 mm
- HS code
- 8482.10
Standards & Compliance
- Standard
- ISO 15 / ISO 492 / DIN 623
- Material
- Bearing steel — 100Cr6 (through-hardened) or SNR-nitrided; cage as declared by suffix
- Temperature Range
- -30 to +120 °C standard grease
- HS Code
- 8482.10
Cross References
- Timken 6312
- NSK 6312
- NTN 6312
- FAG 6312
- Koyo 6312
- NACHI 6312
- Equivalent: 6312 (Timken)
- Equivalent: 6312 (NSK)
- Equivalent: 6312 (NTN)
- Equivalent: 6312 (FAG)
- Equivalent: 6312 (Koyo)
- Equivalent: 6312 (NACHI)
Compatibility & Fitment
ISO 15 boundary-plan interchange — the numeric bore-code block is portable across every ISO 15 bearing manufacturer (SKF, Timken, NSK, NTN, FAG, Koyo, NACHI). Confirm suffix compatibility on cage, seal, clearance and precision class before substitution.
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 6312NR?
- 6312NR can be ordered from cballast.com as a SKF catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this SKF product?
- The manufacturer part number is 6312NR.
- What is the HS code for 6312NR?
- The customs tariff (HS) code for 6312NR is 8482.10.
- Who manufactures 6312NR?
- 6312NR is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 6312NR?
- Yes — the 6312NR datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 6312NR?
- The minimum order quantity is 1.
- Is 6312NR available?
- Yes — 6312NR is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).