SKF 306840 Deep-groove ball bearing
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Product Description
SKF 306840 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 = 200 mm per ISO 15.
Technical Specifications
- Type
- Deep-groove ball bearing
- Designation
- SKF 306840
- Standard
- ISO 15 / DIN 623 dimension plan; ISO 492 Class Normal precision
- HS code
- 8482.10
- Bore diameter
- 180 mm
- Outside diameter
- 259.5 mm
- Width
- 33 mm
- Basic dynamic load rating
- 140 kN
- Basic static load rating
- 112 kN
- Reference speed
- 5000 r/min
- Limiting speed
- 3200 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
- Indicative carbon footprint for new product
- 22.3 kg CO2e
- Product net weight
- 6.04 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 306840
- NSK 306840
- NTN 306840
- FAG 306840
- Koyo 306840
- NACHI 306840
- Equivalent: 306840 (Timken)
- Equivalent: 306840 (NSK)
- Equivalent: 306840 (NTN)
- Equivalent: 306840 (FAG)
- Equivalent: 306840 (Koyo)
- Equivalent: 306840 (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 306840?
- 306840 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 306840.
- What is the HS code for 306840?
- The customs tariff (HS) code for 306840 is 8482.10.
- Who manufactures 306840?
- 306840 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 306840?
- Yes — the 306840 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 306840?
- The minimum order quantity is 1.
- Is 306840 available?
- Yes — 306840 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).