SKF 28 Tooth Rough Stock Bore Sprocket, PHS 12B-2B28 12 B-2

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  • 2026년 11월 11일 부터 배송 준비 완료
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RS 제품 번호:
267-8913
제조사 부품 번호:
PHS 12B-2B28
제조업체:
SKF
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모두 선택

브랜드

SKF

Product Type

Sprocket

Number of Teeth

28

Bore Diameter

80mm

Bore Type

Rough Stock Bore

Pitch Diameter

170.13mm

Material

Steel

Hub Diameter

120mm

Sprocket Width

50mm

Maximum Inside Diameter

80mm

Acceptable Chain Type

12 B-2

Standards/Approvals

BS, EN

COO (Country of Origin):
CN

SKF Sprocket, 28 Teeth, 50mm Width - PHS 12B-2B28


This sprocket is a steel transmission component designed to drive roller and conveyor chains in industrial power-transfer systems. It interfaces with 12B-2 chain types and is supplied with a rough-stock bore to permit final machining for precise shaft fit. The component includes a central hub and tooth profile intended for meshing in continuous-drive arrangements and complies with specified British and European standards.

Features and Benefits:


• Steel construction offers high wear resistance during continuous operation
• Rough-stock bore allows custom machining to EXACT shaft tolerances
• 28 teeth provide consistent engagement for steady motion transfer
• Compatible with 12B-2 chain to ensure correct chain meshing
• 50 mm width supports higher load distribution across the chain

Applications


• Suitable for conveyor systems requiring continuous chain drive
• Used with industrial 12B-2 chain assemblies in factories
• Ideal for retrofitting drive trains that need custom bore finishing
• Can be used for heavy-duty material-handling equipment

What bore preparation is required before installation?


The rough-stock bore requires machining to the shaft diameter and keyway specifications on site prior to final assembly.

How does the hub Interface affect mounting stability?


The 120 mm hub diameter provides a substantial contact area for hub-to-shaft coupling and support during torque transmission.

What limitation does the internal clearance impose on shaft choice?


The maximum inside diameter of 80 mm dictates the largest shaft section that can pass through or be accommodated within the bore.

How does the pitch diameter influence chain selection?


The 170.13 mm pitch diameter determines the chain wrap and centre-distance relationships and should match sprocket-pair geometry for correct chain tension.

Which standards relate to material and dimensional conformity?


The component is produced to meet the listed BS and EN approvals governing dimensional and material criteria.

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