SKF 31309/CL7CDF03 Matched pair / set of tapered roller bearings
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Product Description
SKF 31309/CL7CDF03 matched pair / set of tapered roller bearings. Factory-matched pair (TDO / 2S / 3S) or set of tapered roller bearings, pre-selected so the assembled axial or radial internal clearance falls in a controlled band. Suitable for gearbox pinion shafts, marine propeller-shaft thrust bearings, wheel-hub bearings.
Technical Specifications
- Type
- Matched pair / set of tapered roller bearings
- Designation
- SKF 31309/CL7CDF03
- Bore d
- 45 mm
- HS code
- 8482.20
- Bore diameter
- 45 mm
- Outside diameter
- 100 mm
- Width, total
- 54.5 mm
- Width, inner ring
- 50 mm
- Width, outer ring
- 54.5 mm
- Contact angle
- 28.8 °
- Basic dynamic load rating
- 194 kN
- Basic static load rating
- 204 kN
- Reference speed
- 4000 r/min
- Limiting speed
- 6700 r/min
- SKF performance class
- SKF Explorer
- Bearing part
- Complete bearing
- Number of rows
- 2
- Locating feature, bearing outer ring
- Without
- Bore type
- Cylindrical
- Cage
- Sheet metal
- Matched arrangement
- Face-to-face (X)
- Number of bearings in matched set
- 2
- Coating
- Without
- Sealing
- Without
- Lubricant
- None
- Relubrication feature
- With
- Indicative carbon footprint for new product
- 7.3 kg CO2e
- Product net weight
- 1.99 kg
- eClass code
- 23-05-09-10
- UNSPSC code
- 31171516
Standards & Compliance
- Standard
- SKF designation convention
- Material
- As declared by SKF designation suffix
- Temperature Range
- Per SKF product data
- HS Code
- 8482.20
Cross References
- Timken 31309703
- NSK 31309703
- NTN 31309703
- FAG 31309703
- Koyo 31309703
- Equivalent: 31309703 (Timken)
- Equivalent: 31309703 (NSK)
- Equivalent: 31309703 (NTN)
- Equivalent: 31309703 (FAG)
- Equivalent: 31309703 (Koyo)
Compatibility & Fitment
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.
Product Documentation
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Technical guides
- Tapered Roller Bearing Finder — by Bore and Series (302, 303, 313, 320, 322, 323, 329–332, Inch Cone/Cup) SKF
- SKF 81xxx Cylindrical Roller Thrust Bearing — Dimensions, Load Ratings & Interchange (81102 to 81140)
- SKF Deep Groove Ball Bearing Reference — 6000 / 6200 / 6300 / 6400 Series (Dimensions, Load Ratings, Interchange to FAG NSK NTN Timken)
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 31309/CL7CDF03?
- 31309/CL7CDF03 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 31309/CL7CDF03.
- What is the HS code for 31309/CL7CDF03?
- The customs tariff (HS) code for 31309/CL7CDF03 is 8482.20.
- Who manufactures 31309/CL7CDF03?
- 31309/CL7CDF03 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 31309/CL7CDF03?
- Yes — the 31309/CL7CDF03 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 31309/CL7CDF03?
- The minimum order quantity is 1.
- Is 31309/CL7CDF03 available?
- Yes — 31309/CL7CDF03 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).