SKF 3780/3720/VA983 Tapered roller bearing
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Product Description
SKF 3780/3720/VA983 tapered roller bearing. Single-row tapered roller bearing designed to take combined heavy radial and one-direction axial load. Rollers, inner ring raceway (cone) and outer ring raceway (cup) are ground to converge at a common apex on the bearing axis. Two bearings are always mounted in opposition so the pair carries axial load in both directions and can be preloaded to remove all internal clearance. Metric dimensions per ISO 355 / ISO 492 Class Normal. Bore diameter d = 415 mm per ISO 15.
Technical Specifications
- Type
- Tapered roller bearing
- Designation
- SKF 3780/3720/VA983
- Standard
- ISO 15 / DIN 623 dimension plan; ISO 492 Class Normal precision
- HS code
- 8482.20
- Bore diameter
- 50.8 mm
- Outside diameter
- 93.264 mm
- Width, total
- 30.302 mm
- Width, inner ring
- 30.302 mm
- Width, outer ring
- 23.812 mm
- Contact angle
- 12.7 °
- Basic dynamic load rating
- 107 kN
- Basic static load rating
- 132 kN
- Reference speed
- 5300 r/min
- Limiting speed
- 7000 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
- Inch
- Indicative carbon footprint for new product
- 3.1 kg CO2e
- Product net weight
- 0.842 kg
- eClass code
- 23-05-09-10
- UNSPSC code
- 31171516
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
- 8482.20
Cross References
- Timken 37803720983
- NSK 37803720983
- NTN 37803720983
- FAG 37803720983
- Koyo 37803720983
- SKF 3780/3720
- Equivalent: 37803720983 (Timken)
- Equivalent: 37803720983 (NSK)
- Equivalent: 37803720983 (NTN)
- Equivalent: 37803720983 (FAG)
- Equivalent: 37803720983 (Koyo)
- Supersedes: 3780/3720 (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
- 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 3780/3720/VA983?
- 3780/3720/VA983 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 3780/3720/VA983.
- What is the HS code for 3780/3720/VA983?
- The customs tariff (HS) code for 3780/3720/VA983 is 8482.20.
- Who manufactures 3780/3720/VA983?
- 3780/3720/VA983 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 3780/3720/VA983?
- Yes — the 3780/3720/VA983 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3780/3720/VA983?
- The minimum order quantity is 1.
- Is 3780/3720/VA983 available?
- Yes — 3780/3720/VA983 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).