SKF STO20 Track roller — support roller
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Product Description
SKF STO20 track roller — support roller. Heavy-section outer-ring roller bearing designed to run directly on a linear track or profile rail, carrying radial load between a stationary axle and the moving track. Yoke-type (LR / RSTO / STO) or stud-type (LFR / KRV / KR / KRE). Widely used on trolley conveyors, sliding-gate rollers, deck-crane trolleys.
Technical Specifications
- Type
- Track roller — support roller
- Designation
- SKF STO20
- HS code
- 8482.20
- Functional outside diameter
- 47 mm
- Bore diameter
- 20 mm
- Width, total
- 16 mm
- Width, outer ring
- 15.8 mm
- Basic dynamic load rating
- 16.1 kN
- Basic static load rating
- 21.2 kN
- Limiting speed
- 4000 r/min
- Bearing part
- Complete track roller
- Rolling elements
- Needle rollers
- Number of rows
- 1
- Outer ring profile
- Crowned
- Axial guidance of outer ring
- No
- Number of flanges, outer ring
- 0
- Cage
- With
- Radial internal clearance
- CN
- Tolerance class
- Other
- Material, bearing
- Bearing steel
- Coating
- Without
- Sealing
- Without
- Lubricant
- Grease
- Relubrication feature
- With
- Product net weight
- 0.152 kg
- eClass code
- 23-05-09-03
- UNSPSC code
- 31171512
Standards & Compliance
- Standard
- SKF designation convention
- Material
- As declared by SKF designation suffix
- Temperature Range
- Per SKF product data
- HS Code
- 8482.20
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 STO20?
- STO20 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 STO20.
- What is the HS code for STO20?
- The customs tariff (HS) code for STO20 is 8482.20.
- Who manufactures STO20?
- STO20 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for STO20?
- Yes — the STO20 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for STO20?
- The minimum order quantity is 1.
- Is STO20 available?
- Yes — STO20 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).