SKF 312-2Z Deep-groove ball bearing
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Product Description
SKF 312-2Z 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.
Technical Specifications
- Type
- Deep-groove ball bearing
- Designation
- SKF 312-2Z
- Standard
- ISO 15 / DIN 623 dimension plan; ISO 492 Class Normal precision
- Bore d
- 60 mm
- HS code
- 8482.10
- Bore diameter
- 60 mm
- Outside diameter
- 130 mm
- Width
- 31 mm
- Basic dynamic load rating
- 91.3 kN
- Basic static load rating
- 78 kN
- Reference speed
- 9500 r/min
- Limiting speed
- 4800 r/min
- Filling slots
- With
- Number of rows
- 1
- Locating feature, bearing outer ring
- Without
- Bore type
- Cylindrical
- Cage
- Sheet metal
- Matched arrangement
- No
- Radial internal clearance
- CN
- Material, bearing
- Bearing steel
- Coating
- Without
- Sealing
- Shield on both sides
- Sealing type
- Non-contact
- Lubricant
- Grease
- Relubrication feature
- Without
- Indicative carbon footprint for new product
- 7 kg CO2e
- Product net weight
- 1.89 kg
- eClass code
- 23-05-08-01
- UNSPSC code
- 31171504
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 3122
- NSK 3122
- NTN 3122
- FAG 3122
- Koyo 3122
- NACHI 3122
- Equivalent: 3122 (Timken)
- Equivalent: 3122 (NSK)
- Equivalent: 3122 (NTN)
- Equivalent: 3122 (FAG)
- Equivalent: 3122 (Koyo)
- Equivalent: 3122 (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 312-2Z?
- 312-2Z 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 312-2Z.
- What is the HS code for 312-2Z?
- The customs tariff (HS) code for 312-2Z is 8482.10.
- Who manufactures 312-2Z?
- 312-2Z is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 312-2Z?
- Yes — the 312-2Z datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 312-2Z?
- The minimum order quantity is 1.
- Is 312-2Z available?
- Yes — 312-2Z 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).