SKF 6344M/C3 Deep-groove ball bearing
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Product Description
SKF 6344M/C3 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 = 220 mm per ISO 15.
Technical Specifications
- Type
- Deep-groove ball bearing
- Designation
- SKF 6344M/C3
- Standard
- ISO 15 / DIN 623 dimension plan; ISO 492 Class Normal precision
- HS code
- 8482.10
- Bore diameter
- 220 mm
- Outside diameter
- 460 mm
- Width
- 88 mm
- Basic dynamic load rating
- 410 kN
- Basic static load rating
- 520 kN
- Reference speed
- 3000 r/min
- Limiting speed
- 2600 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
- C3
- Material, bearing
- Bearing steel
- Coating
- Without
- Sealing
- Without
- Lubricant
- None
- Relubrication feature
- Without
- Candidate for remanufacturing
- Yes
- Indicative carbon footprint for new product
- 281 kg CO2e
- Indicative carbon footprint for remanufactured product
- 93.3 kg CO2e
- Product net weight
- 75.8 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 63443
- NSK 63443
- NTN 63443
- FAG 63443
- Koyo 63443
- NACHI 63443
- SKF 6344M
- Equivalent: 63443 (Timken)
- Equivalent: 63443 (NSK)
- Equivalent: 63443 (NTN)
- Equivalent: 63443 (FAG)
- Equivalent: 63443 (Koyo)
- Equivalent: 63443 (NACHI)
- Supersedes: 6344M (SKF)
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 6344M/C3?
- 6344M/C3 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 6344M/C3.
- What is the HS code for 6344M/C3?
- The customs tariff (HS) code for 6344M/C3 is 8482.10.
- Who manufactures 6344M/C3?
- 6344M/C3 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 6344M/C3?
- Yes — the 6344M/C3 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 6344M/C3?
- The minimum order quantity is 1.
- Is 6344M/C3 available?
- Yes — 6344M/C3 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).