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V-Belt Pulleys for Taper Lock Bushes

Taper Lock SPZ, SPA, SPB, SPC V-belt pulleys for Taper bush are the basic type of V-belt pulleys. They are produced in standard series and dimensions. They are made of gray cast iron.

The V-belt pulley design is based on DIN 2211 and ISO 4183 standards.

The pulleys are mounted to the shafts using the Taper bushes. The Taper bush does not only secure the pulley on the shaft with a keyway but also fixes it against axial displacement.

SPZ Taper Lock

For belts SPZ, XPZ, 3V, 3VX, Z/10, ZX/10
Groove widht b (mm): 10
Diameter Dm (mm): 50 - 630

SPA Taper Lock

For belts SPA, XPA, A, AX, 13
Groove widht b (mm): 13

Diameter Dm (mm): 63 - 900

SPB Taper Lock

For belts SPB, XPB, 5V, 5VX, B, BX, 17
Groove widht b (mm): 17
Diameter Dm (mm): 900 - 1250

SPC Taper Lock

For belts SPC, XPC, C, CX, 22
Groove widht b (mm): 22

Diameter Dm (mm): 160 - 1250


Pulleys Fields of Use

The V-belt pulleys for Taper bush meet the highest requirements of modern drive technology and are used in all areas of mechanical engineering, from fine mechanics to heavy engineering.

They are typically used in compressors, blowers, machine tools, in the paper and chemical industry and in many other machines.

Pulleys Material

Fine grain cast-iron grade 220-260.

Other materials to order. 

Parameter Standard
Eccentricity of O/D to bore DIN 2211 Part. 1
Groove side wobble tolerance DIN 2211 Part. 1
Surface roughness ISO 254
Balance quality grade VDI 2060, ISO 1940

Pulleys with Dw > 125 mm are statically balanced, degree q 6.3 at 1500 rpm. On request, the pulleys can be balanced dynamically in two planes, degree q 6.3 - q 2.5.

Pulleys Basic Profile

  • Pulley SPZ for belts SPZ, XPZ, 3V, 3VX, Z, ZX, 10
  • Pulley SPA for belts SPA, XPA, A, AX, 13
  • Pulley SPB for belts SPB, XPB, 5V, 5VX, B, BX, 17
  • Pulley SPC for belts SPC, XPC, C, CX, 22

Pulleys Code Description

Example:
SPB 180-4 TB 2517

Code Part Description
SPB

Profile

180

Nominal diameter of pulley in mm

4

Number of grooves

TB

Taper bush

2517

Type of bush

Wedge groove

Profile Dm αo br E F C t
SPZ (≤80) >80br (38) 34 8,5 12 8 2 11
SPA (≤118) >118 (38) 34 11 15 10 2,8 13,8
SPB (≤190) >190 (38) 34 14 19 12 3,5 17,5
SPC (≤315) >315 (38) 34 19 25,5 17 4,8 23,8

Crown width \(B\): \[B = {E^{(n-1)} + 2 \cdot F}\ {[mm]}\] where \(n\) is the number of grooves.

Other technical data for particular groove dimensions are to be found in the technical documentation.

Documents for Download

Dimensions and Parameters of V-Belt Pulleys for Taper Lock Bushes - Preview

Dimensions and Parameters of V-Belt Pulleys for Taper Lock Bushes

TYMA CZ Data Sheets

Czech and English (PDF 2.98 MB)

Pulleys and Clamping Bushes - Preview

Pulleys and Clamping Bushes

TYMA CZ Catalogue

Czech and English (PDF 3.64 MB)