Taper Bore Bushing V Belt Pulley

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Taper Bore Bushing V Belt Pulley

A taper bore bushing, also known as a Taper-Lock bushing, is a mechanical component used to mount rotating equipment such as pulleys, sprockets, and gears to a shaft. It is designed to provide a secure and accurate way of securing a component to a post while allowing easy installation and removal.

Mount these pulleys with a taper-lock bushing for a tight, wobble-free hold on your shaft. These pulleys transfer force from the shaft to a V-belt in a power transmission system and help misalign. Made of cast iron, these pulleys are durable and resist wear. Depending on your taper-lock bushing, the same pulley with different shaft diameters can be used.

V-pulleys are available in various configurations and sizes to meet the requirements of many applications. These pulleys are typically cast iron and black phosphate and come with multiple diameters and groove combinations. Taper and pilot bore options are also available. Refer to the part number to determine the correct part for your application. The part number will contain the belt cross-section’s three-letter designation, the pulley pitch’s three-digit diameter, and the number of grooves or belts that need to be driven.

Taper Bore Bushing Parameter:

Carbon Steel
SAE1020, SAE1045, Cr12, 40Cr, Y15Pb, 1214Letc
Alloy Steel
20CrMnTi, 16MnCr5, 20CrMnMo, 41CrMo, 17CrNiMo5etc
HPb59-1, H70, CuZn39Pb2, CuZn40Pb2, C38000, CuZn40etc
Tolerance Control
Outer Diameter
±0.005 mm
Length Dimension
±0.05 mm
Machining Process
Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding, and Gear Lapping
Teeth Accuracy
DIN Class 4, ISO/GB Class 4, AGMA Class 13, JIS Class 0
1.0, 1.25, 1.5, 1.75, 2.0, 2.25, 2.5….8.0 etc
Heat Treatment
Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonize surface treatment
Surface Treatment
Blacking, Polishing, Anodizing, Chrome Plating, Zinc Plating, Nickel Plating, Power-coating, etc.

Taper Bore Bushing Feature:

1) European standard:    

a) V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC,2BKH; up to 10 grooves

b) Adjustable speed V-belt pulleys and variable speed pulleys

c) Flat belt pulleys and conveyor belt pulleys

2) American standard:

a) Sheaves for taper bushings: 3V, 5V, 8V

b) Sheaves for QD bushings: 3V, 5V, 8V

c) Sheaves for split taper bushings: 3V, 5V, 8V

d) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH,2AK, 2AKH, BK,  BKH,2BK, 2BKH, 3BK        e) Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K, and M

Parts can be made according to drawings and samples

OEM service is welcomed

3) Bore: pilot bore, finished bore, taper bore, bore for QD bushing

4) Surface finish: paint, phosphating, zinc plated

5) Material: cast iron, ductile iron, nylon, aluminum

6) Made according to drawings and samples, OEM inquiries welcomed



We are one of the best taper bore bushing suppliers. We can offer wide taper bore bushing stock. We have exported our products to clients around the world and earned a good reputation because of our superior product quality and after-sales service. We warmly welcome customers both at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!

Taper Bore Bushing Application: