SKF SY1.3/4FM Pillow block ball bearing unit (UCP / UEP / UKP)
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Product Description
SKF SY1.3/4FM 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 SY1.3/4FM
- HS code
- 8483.20
- Shaft diameter
- 44.45 mm
- Centre height (pillow block)
- 54 mm
- Housing overall width
- 48 mm
- Centre distance between bolt holes
- 143.5 mm
- Bearing width, total
- 43.7 mm
- Attachment bolt diameter
- 12.7 mm
- Basic dynamic load rating
- 33.2 kN
- Basic static load rating
- 21.6 kN
- Limiting speed
- 4300 r/min
- Note
- Limiting speed with shaft tolerance h6
- Housing type
- Pillow block, normal base
- Number of bolt holes for fasteners
- 2
- Fastening bolt hole type
- Plain
- Retaining feature, inner ring
- Eccentric collar
- Bore type
- Cylindrical
- Rubber seating ring
- Without
- Material, housing
- Cast iron
- Material, bearing
- Bearing steel
- Coating
- Without
- Sealing, bearing
- Seal on both sides
- Sealing type
- Contact, standard
- Sealing, unit
- Optional end cover
- Lubricant
- Grease
- Relubrication hole
- With
- Grease fitting
- With
- Product net weight
- 2.17 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 134
- NSK 134
- FAG 134
- Koyo 134
- ASAHI 134
- Equivalent: 134 (NTN)
- Equivalent: 134 (NSK)
- Equivalent: 134 (FAG)
- Equivalent: 134 (Koyo)
- Equivalent: 134 (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 SY1.3/4FM?
- SY1.3/4FM 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 SY1.3/4FM.
- What is the HS code for SY1.3/4FM?
- The customs tariff (HS) code for SY1.3/4FM is 8483.20.
- Who manufactures SY1.3/4FM?
- SY1.3/4FM is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for SY1.3/4FM?
- Yes — the SY1.3/4FM datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for SY1.3/4FM?
- The minimum order quantity is 1.
- Is SY1.3/4FM available?
- Yes — SY1.3/4FM 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).