SKF 20 Tooth Rough Stock Bore Sprocket, PHS 12B-2BH20 12 B-2

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  • 2026년 11월 11일 부터 배송 준비 완료
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RS 제품 번호:
267-8927
제조사 부품 번호:
PHS 12B-2BH20
제조업체:
SKF
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모두 선택

브랜드

SKF

Number of Teeth

20

Bore Diameter

64mm

Product Type

Sprocket

Bore Type

Rough Stock Bore

Pitch Diameter

121.78mm

Material

Steel

Hub Diameter

100mm

Sprocket Width

50mm

Acceptable Chain Type

12 B-2

Maximum Inside Diameter

64mm

Standards/Approvals

EN, BS

COO (Country of Origin):
CN

SKF Sprocket, 20 Teeth, 50mm Sprocket Width - PHS 12B-2BH20


This sprocket is a steel drive wheel designed to transmit rotary motion via a compatible roller chain in industrial assemblies. It is supplied with a rough stock bore to allow final machining to match a shaft, and meets recognised EN and BS standards for dimensioning and material conformity.

Features and Benefits:


• Steel construction provides high wear resistance and longevity
• Twenty teeth enable precise engagement with chain links
• Compatible with 12B-2 chain for reliable power transmission
• Fifty mm width supports lateral load distribution
• Maximum inside diameter 64 mm permits clearance for hub machining

Applications


• Suitable for conveyor drive systems in factories
• Used with agricultural machinery requiring chain drive
• Ideal for retrofitting worn chain sprockets in plants
• Can be used for power transmission in material handling
• Used for bespoke drive assemblies needing bore finishing

What bore preparation is required before assembly?


The rough stock bore requires finishing to the final shaft diameter and keyway cutting to ensure correct fit and torque transmission.

What should be considered when matching chain type?


Select 12B-2 chain matching the sprocket tooth profile and pitch diameter to maintain proper engagement and minimise wear.

How does hub diameter affect installation?


The 100 mm hub diameter determines mounting envelope and provides material for machining features such as setscrew bores or taper fits.

Which metric determines the sprocket’s rolling contact with the chain?


The pitch diameter of 121.78 mm governs the centre distance and sprocket-to-sprocket spacing for correct chain geometry.

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