SKF 21 Tooth Taper Bush Sprocket, PHS 08B-1TBH21 08 B-1

RS Stock No.:: 267-9179
Mfr. Part No.:: PHS 08B-1TBH21
Brand:: SKF

SKF 21 Tooth Taper Bush Sprocket, PHS 08B-1TBH21 08 B-1

View all Sprockets

Subtotal (1 unit)*

$28.69

(exc. GST)

$31.56

(inc. GST)

FREE delivery for orders over $80.00 ex GST

In Stock

2 unit(s) ready to ship from another location

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	$28.69

*price indicative

RS Stock No.:: 267-9179
Mfr. Part No.:: PHS 08B-1TBH21
Brand:: SKF

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	SKF
	Bore Diameter	42mm
	Product Type	Sprocket
	Number of Teeth	21
	Bore Type	Taper Bush
	Pitch Diameter	85.22mm
	Material	Steel
	Hub Diameter	71mm
	Sprocket Width	25mm
	Acceptable Chain Type	08 B-1
	Maximum Inside Diameter	42mm
	Standards/Approvals	BS

	Select all
	Brand SKF
	Bore Diameter 42mm
	Product Type Sprocket
	Number of Teeth 21
	Bore Type Taper Bush
	Pitch Diameter 85.22mm
	Material Steel
	Hub Diameter 71mm
	Sprocket Width 25mm
	Acceptable Chain Type 08 B-1
	Maximum Inside Diameter 42mm
	Standards/Approvals BS

Datasheet - PHS 08B-1TBH21

COO (Country of Origin):: CN

SKF Sprocket, 21 Teeth, 85.22mm Pitch Diameter - PHS 08B-1TBH21

This sprocket is a steel rotary component designed to transfer motion within chain-driven equipment, using a tapered-bore mounting method for alignment and secure attachment. It is intended for industrial power transmission where matched chain engagement and a robust hub connection are required.

Features and Benefits:

• 21 teeth provide consistent chain engagement and load transmission
• Tapered bore accommodates a compression fit for axial stability
• Steel construction offers high wear resistance during operation
• BS approval confirms adherence to British standards for parts
• Compatible with 08B chain types for correct pitch engagement

Applications

• Used with 08 B-1 roller chain in conveyor systems
• Suitable for drives requiring a tapered bush mounting
• Ideal for machinery needing a 71 mm hub connection
• Used for replacement in industrial taper bushing assemblies

What bore mounting method does it use?

It fits via a taper bush that produces a press-fit connection with the shaft.

Which chain profile engages with its teeth?

It is matched to 08B-1 chain standards for correct meshing and pitch.

What material is specified for the component?

The component is manufactured from steel to withstand operational wear.

How many teeth are present for load distribution?

The item has 21 teeth to distribute chain loads over multiple points.