SKF PHS08B-1A21 Metric roller-chain sprocket (ISO / DIN 8187)
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Product Description
SKF PHS08B-1A21 metric roller-chain sprocket (iso / din 8187). Machined-tooth roller-chain sprocket cut to the ISO 606 / DIN 8187 metric roller chain series (04B, 05B, 06B, 08B, 10B, 12B, 16B, 20B, 24B). Simplex, duplex or triplex tooth profile per fitted chain execution. Bored for taper-lock bushing or pilot-bore. Hardened teeth (case-hardened C45E) standard.
Technical Specifications
- Type
- Metric roller-chain sprocket (ISO / DIN 8187)
- Designation
- SKF PHS08B-1A21
- HS code
- 8483.50
- Pitch
- 12.7 mm
- Pitch diameter
- 85.22 mm
- Bore min
- 12 mm
- Category
- Metric roller chain sprocket
- Performance type
- Simplex
- Sprocket type
- A
- Standard
- BS
- Mounting arrangement
- Rough stock bore
- Material
- Steel
- Number of teeth
- 21
- Product net weight
- 0.228 kg
- eClass code
- 23-17-04-50
- UNSPSC code
- 31171901
Standards & Compliance
- Standard
- SKF designation convention (see description for governing ISO / DIN)
- Material
- As declared by SKF designation suffix
- Temperature Range
- Per SKF product data
- HS Code
- 8483.50
Cross References
- Renold 08121
- Tsubaki 08121
- Martin Sprocket 08121
- Rexnord 08121
- Equivalent: 08121 (Renold)
- Equivalent: 08121 (Tsubaki)
- Equivalent: 08121 (Martin Sprocket)
- Equivalent: 08121 (Rexnord)
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
- Roller Chain and Sprocket Finder — ISO 04B–32B and ANSI 25–200 by Chain Number, Strands and Teeth (SKF PHC / PHS)
- 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 PHS08B-1A21?
- PHS08B-1A21 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 PHS08B-1A21.
- What is the HS code for PHS08B-1A21?
- The customs tariff (HS) code for PHS08B-1A21 is 8483.50.
- Who manufactures PHS08B-1A21?
- PHS08B-1A21 is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for PHS08B-1A21?
- Yes — the PHS08B-1A21 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for PHS08B-1A21?
- The minimum order quantity is 1.
- Is PHS08B-1A21 available?
- Yes — PHS08B-1A21 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).