SKF 51120 Thrust ball bearing
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Product Description
SKF 51120 thrust ball bearing. Single-direction (51xxx) or double-direction (52xxx) thrust ball bearing designed to carry pure axial load at moderate speed. Cannot carry radial load. Series 511/512/513/514 covers the standard boundary plans. Manufactured to ISO 104 / ISO 492 Class Normal. Bore diameter d = 100 mm per ISO 15. Boundary plan per ISO 15 / ISO 355: bore d = 100 mm, outside diameter D = 135 mm, width B (or height H) = 25 mm.
Technical Specifications
- Type
- Thrust ball bearing
- Designation
- SKF 51120
- Standard
- ISO 15 / DIN 623 dimension plan; ISO 492 Class Normal precision
- Bore d
- 100 mm
- HS code
- 8482.10
- Outside diameter D
- 135 mm
- Width B / Height H
- 25 mm
- Bore diameter
- 100 mm
- Outside diameter
- 135 mm
- Height
- 25 mm
- Basic dynamic load rating
- 80.6 kN
- Basic static load rating
- 265 kN
- Reference speed
- 2400 r/min
- Limiting speed
- 3200 r/min
- Axial load capability
- Single-direction
- Number of rows
- 1
- Cage
- Sheet metal
- Housing washer type
- Flat
- Tolerance class
- Normal
- Material, bearing
- Bearing steel
- Coating
- Without
- Indicative carbon footprint for new product
- 3.5 kg CO2e
- Product net weight
- 0.954 kg
- eClass code
- 23-05-10-01
- UNSPSC code
- 31171507
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 51120
- NSK 51120
- NTN 51120
- FAG 51120
- Koyo 51120
- Equivalent: 51120 (Timken)
- Equivalent: 51120 (NSK)
- Equivalent: 51120 (NTN)
- Equivalent: 51120 (FAG)
- Equivalent: 51120 (Koyo)
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
More from SKF
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 51120?
- 51120 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 51120.
- What is the HS code for 51120?
- The customs tariff (HS) code for 51120 is 8482.10.
- Who manufactures 51120?
- 51120 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for 51120?
- Yes — the 51120 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 51120?
- The minimum order quantity is 1.
- Is 51120 available?
- Yes — 51120 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).