SKF 30305/VB281 Tapered roller bearing
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Product Description
SKF 30305/VB281 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 = 405 mm per ISO 15. Boundary plan per ISO 15 / ISO 355: bore d = 25 mm, outside diameter D = 62 mm, width B (or height H) = 18.25 mm.
Technical Specifications
- Type
- Tapered roller bearing
- Designation
- SKF 30305/VB281
- Standard
- ISO 15 / DIN 623 dimension plan; ISO 492 Class Normal precision
- HS code
- 8482.20
- Bore d
- 25 mm
- Width B / Height H
- 18.25 mm
- Outside diameter D
- 62 mm
- Bore diameter
- 25 mm
- Outside diameter
- 62 mm
- Width, total
- 18.25 mm
- Width, inner ring
- 17 mm
- Width, outer ring
- 15 mm
- Contact angle
- 11.3 °
- Basic dynamic load rating
- 55.3 kN
- Basic static load rating
- 43 kN
- Reference speed
- 9500 r/min
- Limiting speed
- 12000 r/min
- SKF performance class
- SKF Explorer
- 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
- Relubrication feature
- Without
- Unit system
- Metric
- Indicative carbon footprint for new product
- 0.93 kg CO2e
- Product net weight
- 0.252 kg
- eClass code
- 23-05-09-10
- UNSPSC code
- 31171516
- Lubricant
- None
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 30305281
- NSK 30305281
- NTN 30305281
- FAG 30305281
- Koyo 30305281
- SKF 30305
- Equivalent: 30305281 (Timken)
- Equivalent: 30305281 (NSK)
- Equivalent: 30305281 (NTN)
- Equivalent: 30305281 (FAG)
- Equivalent: 30305281 (Koyo)
- Supersedes: 30305 (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 30305/VB281?
- 30305/VB281 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 30305/VB281.
- What is the HS code for 30305/VB281?
- The customs tariff (HS) code for 30305/VB281 is 8482.20.
- Who manufactures 30305/VB281?
- 30305/VB281 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 30305/VB281?
- Yes — the 30305/VB281 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 30305/VB281?
- The minimum order quantity is 1.
- Is 30305/VB281 available?
- Yes — 30305/VB281 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).