SKF SY508M Pillow block ball bearing unit (UCP / UEP / UKP)
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Product Description
SKF SY508M pillow block ball bearing unit (ucp / uep / ukp). Two-bolt pillow-block cast-iron, SG-iron or thermoplastic housing pre-assembled with a spherical-outer-ring insert bearing. Absorbs shaft-to-support misalignment during assembly and in service. Standard shaft attachment is set-screw (UCP); eccentric locking collar (UEP) and adapter-sleeve (UKP) variants available. Dimensioned to ISO 3228 / DIN 626.
Technical Specifications
- Type
- Pillow block ball bearing unit (UCP / UEP / UKP)
- Designation
- SKF SY508M
- Bore d
- 40 mm
- HS code
- 8483.20
- Spherical seating diameter
- 80 mm
- Centre height (pillow block)
- 49.2 mm
- Housing overall width
- 48 mm
- Centre distance between bolt holes
- 135.5 mm
- Housing type
- Pillow block, normal base
- Number of bolt holes for fasteners
- 2
- Fastening bolt hole type
- Plain
- Material, housing
- Cast iron
- Coating
- Without
- Relubrication hole
- With
- Grease fitting
- With
- Product net weight
- 1.23 kg
- eClass code
- 23-05-08-02
- UNSPSC code
- 31171536
Standards & Compliance
- Standard
- SKF designation convention
- Material
- As declared by SKF designation suffix
- Temperature Range
- Per SKF product data
- HS Code
- 8483.20
Cross References
- NTN 508
- NSK 508
- FAG 508
- Koyo 508
- ASAHI 508
- Equivalent: 508 (NTN)
- Equivalent: 508 (NSK)
- Equivalent: 508 (FAG)
- Equivalent: 508 (Koyo)
- Equivalent: 508 (ASAHI)
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
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 SY508M?
- SY508M 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 SY508M.
- What is the HS code for SY508M?
- The customs tariff (HS) code for SY508M is 8483.20.
- Who manufactures SY508M?
- SY508M is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for SY508M?
- Yes — the SY508M datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for SY508M?
- The minimum order quantity is 1.
- Is SY508M available?
- Yes — SY508M 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).