SKF BT1-0643 Single-row tapered roller bearing
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Product Description
SKF BT1-0643 single-row tapered roller bearing. Single-row tapered roller bearing designed to take combined heavy radial and one-direction axial load. Cone (inner ring), cup (outer ring) and rollers converge at a common apex on the bearing axis. Two bearings are always mounted in opposition. Metric dimensions per ISO 355; imperial to ANSI/ABMA 19.1.
Technical Specifications
- Type
- Single-row tapered roller bearing
- Designation
- SKF BT1-0643
- HS code
- 8482.20
- Bore diameter
- 40 mm
- Outside diameter
- 90 mm
- Width, total
- 25.25 mm
- Width, inner ring
- 23 mm
- Width, outer ring
- 17 mm
- Contact angle
- 27.7 °
- Basic dynamic load rating
- 70.4 kN
- Basic static load rating
- 80 kN
- Reference speed
- 5300 r/min
- Limiting speed
- 7500 r/min
- Bearing part
- Complete bearing
- Number of rows
- 1
- Locating feature, bearing outer ring
- Without
- Bore type
- Cylindrical
- Cage
- Sheet metal
- Arrangement of contact angle (double-row bearing)
- Not applicable
- Matched arrangement
- No
- Coating
- Without
- Sealing
- Without
- Lubricant
- None
- Relubrication feature
- Without
- Unit system
- Metric
- Indicative carbon footprint for new product
- 2.7 kg CO2e
- Product net weight
- 0.732 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 10643
- NSK 10643
- NTN 10643
- FAG 10643
- Koyo 10643
- Equivalent: 10643 (Timken)
- Equivalent: 10643 (NSK)
- Equivalent: 10643 (NTN)
- Equivalent: 10643 (FAG)
- Equivalent: 10643 (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 BT1-0643?
- BT1-0643 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 BT1-0643.
- What is the HS code for BT1-0643?
- The customs tariff (HS) code for BT1-0643 is 8482.20.
- Who manufactures BT1-0643?
- BT1-0643 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for BT1-0643?
- Yes — the BT1-0643 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for BT1-0643?
- The minimum order quantity is 1.
- Is BT1-0643 available?
- Yes — BT1-0643 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).