SKF PHP66-AT10-25RSB Timing belt pulley (synchronous sprocket)
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Product Description
SKF PHP66-AT10-25RSB timing belt pulley (synchronous sprocket). Steel or aluminium synchronous drive pulley cut to match a paired timing-belt tooth profile — MXL, XL, L, H, XH, HTD 3M / 5M / 8M / 14M, Poly Chain GT 8MGT / 14MGT. Flanged or unflanged. Bored for taper bushing or supplied pilot-bore for final machining. Dimensioned to ISO 5296 / DIN 7721.
Technical Specifications
- Type
- Timing belt pulley (synchronous sprocket)
- Designation
- SKF PHP66-AT10-25RSB
- HS code
- 8483.50
- Pitch
- 10 mm
- Belt width
- 50 mm
- Pitch diameter
- 79.58 mm
- Outside diameter
- 77.75 mm
- Bore min
- 12 mm
- Bore max
- 39 mm
- Width over grooves
- 66 mm
- Hub diameter
- 60 mm
- Category
- Timing belt pulleys
- Pulley type
- 1F
- Section
- AT10
- Mounting arrangement
- Rough stock bore
- Material
- Aluminium
- Number of teeth
- 25
- Product net weight
- 0.77 kg
- eClass code
- 23-17-02-08
- UNSPSC code
- 24101613
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
- Martin Sprocket 661025
- Browning 661025
- Optibelt 661025
- Equivalent: 661025 (Martin Sprocket)
- Equivalent: 661025 (Browning)
- Equivalent: 661025 (Optibelt)
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
- Timing Belt Pulley Finder — HTD 3M / 5M / 8M / 14M, T5 / T10 / AT5 / AT10, XL / L / H / XH by Teeth and Belt Width (SKF PHP)
- 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 PHP66-AT10-25RSB?
- PHP66-AT10-25RSB 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 PHP66-AT10-25RSB.
- What is the HS code for PHP66-AT10-25RSB?
- The customs tariff (HS) code for PHP66-AT10-25RSB is 8483.50.
- Who manufactures PHP66-AT10-25RSB?
- PHP66-AT10-25RSB is a SKF product in the Bearings & Power Transmission range.
- Is a datasheet available for PHP66-AT10-25RSB?
- Yes — the PHP66-AT10-25RSB datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for PHP66-AT10-25RSB?
- The minimum order quantity is 1.
- Is PHP66-AT10-25RSB available?
- Yes — PHP66-AT10-25RSB 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).