SKF 618/670MA Deep-groove ball bearing
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Product Description
SKF 618/670MA 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. Bore diameter d = 350 mm per ISO 15.
Technical Specifications
- Type
- Deep-groove ball bearing
- Designation
- SKF 618/670MA
- Standard
- ISO 15 / DIN 623 dimension plan; ISO 492 Class Normal precision
- HS code
- 8482.10
- Bore diameter
- 670 mm
- Outside diameter
- 820 mm
- Width
- 69 mm
- Basic dynamic load rating
- 442 kN
- Basic static load rating
- 1000 kN
- Reference speed
- 1300 r/min
- Limiting speed
- 1100 r/min
- Filling slots
- Without
- Number of rows
- 1
- Locating feature, bearing outer ring
- Without
- Bore type
- Cylindrical
- Cage
- Machined brass
- Matched arrangement
- No
- Radial internal clearance
- CN
- Material, bearing
- Bearing steel
- Coating
- Without
- Sealing
- Without
- Lubricant
- None
- Relubrication feature
- Without
- Candidate for remanufacturing
- Yes
- Indicative carbon footprint for new product
- 287 kg CO2e
- Indicative carbon footprint for remanufactured product
- 95.3 kg CO2e
- Product net weight
- 77.5 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 618670
- NSK 618670
- NTN 618670
- FAG 618670
- Koyo 618670
- NACHI 618670
- Equivalent: 618670 (Timken)
- Equivalent: 618670 (NSK)
- Equivalent: 618670 (NTN)
- Equivalent: 618670 (FAG)
- Equivalent: 618670 (Koyo)
- Equivalent: 618670 (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 618/670MA?
- 618/670MA 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 618/670MA.
- What is the HS code for 618/670MA?
- The customs tariff (HS) code for 618/670MA is 8482.10.
- Who manufactures 618/670MA?
- 618/670MA is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 618/670MA?
- Yes — the 618/670MA datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 618/670MA?
- The minimum order quantity is 1.
- Is 618/670MA available?
- Yes — 618/670MA 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).