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Note:

Please use the drop down menu to select your required number of teeth and bore size.

High-quality materials, exquisite craftsmanship, safe, reliable and durable, long service life, complete specifications, convenient and flexible use, and better cost performance.

The material of the product is C45 steel, the teeth are hardened and the surface is blackened.

Hardened teeth give these steel sprockets increased wear resistance for a long service life. The wide hub provides stability under heavy loads. Designed to rotate freely on built-in bearings, idler sprockets maintain constant tension on your drive by pressing against your chain to take up slack and reduce wear and vibration. They are for use with roller chain tensioners

The idler sprocket mounting bearings are either single or double bearing types.

The idler sprocket installation consists of sprocket and bearing + circlip, the bearing is pressed in.

All come with a finished bore that fits directly onto your shaft—no need for machining. The size of the hole for mounting the bearing is default, if you require the bearing hole and the shape of the sprocket, please contact customer service for customisation.

Efficient operation, High load capacity, Transmission without delay, Not easy to jump gears, Not easy to slip gears, Can be high load, high torque transmission

It has good resistance to damage, wear resistance, long life and high hardness，Smooth transmission.

They are widely used by industrial machinery and many other types of equipment with engines or motors. Widely used in chemical machinery transmission, textile machinery, escalators, wood processing, garages, agricultural machinery, food processing, instrumentation, petroleum, bicycle, motorcycle and other industries.

If you don't know the ANSI or ISO number of your chain or sprocket, determine size by measuring pitch. Pitch is the distance between the pin centers of a chain link.

● Product Name: 08B Idler Sprocket with Ball Bearing
● Standard Part
● For Chain No. (Chain Pitch): DIN / ISO 08B ; Pitch: 1/2 inch (12.7mm)
● Material: Medium Carbon Steel C45 ( DIN 1.0503，AISI/SAE 1045，JIS S45C)
● Surface Finish: Hardening (High frequency quenching of teeth) & Overall Black Oxide
● With Hub
● 2 Types Available:
【with Single Bearing】 : Built-in 1 ball bearing + 1 Circlip
【With Double Bearings】 : Built-in 2 ball bearings + 1 Circlip
● Available Number of teeth (Z): 13 Tooth, 15 Tooth, 17 Tooth, 19 Tooth
● Available Bore Size: 10mm, 12mm, 15mm, 17mm, 20mm

● Exact dimensions can also be viewed in the photo gallery.

● Note: Standard Manufacturers Tolerances Apply

● Note:

- Please allow minor errors due to manual measurement. Thank you for your comprehension.

Monitors are not calibrated, the element color shown in the photos may differ slightly from the real object. Please take the real one as standard.

Package Including:

Product type based on your selection.

Payment:

We accept Paypal only, It is fast, Easy and Safe.

Payment must be completed within 7 days.

PLEASE NOTE: S&H DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES.

Please list your special requests (color, packages, etc.) in the PAYPAL NOTES SECTION when you make payment.

Shipping:

We Ship to Worldwide.

Orders processed within 24—48 hours of payment verification. it will take 15—25 days for delivery. but Customs will random inspection some parcel, so that's why some parcel need more than four weeks to arrive. Shipping time is only estimated and not guaranteed.

We only ship to confirmed PAYPAL addresses. Your PAYPAL address MUST MATCH your Shipping address.

Package to USA will Shipping by E—Package with Tracking Number(7—15 Days to Delivered). To other Countries will shipping by Post Air Mail without tracking number(ONLY when the order is over 20USD will supply Tracking Number Shipping Way!)(15—35 Days to Delivered)

Items are shipped via China Post Air Mail.

Guarantee:

Good Good quality. Buy with confidence!

If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back. Please contact me before you return it.

Not accept returning of electronic components.

Full refund after we receive our original item, Note: Return shipping is to be paid by the Buyer.

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.