V-belt pulley

Building…

Parameters

Changed values — press “Rebuild” at the top or Enter in a field

Updating fields…

BELT

Belt sectionBELT Classical GOST 1284: Z, A, B, C, D, E; narrow SPZ…SPC (GOST R 50641 / ISO 4183)

Number of groovesN

allowed 1…12

Pitch diameter dpdp

A: dp ≥ 75

HUB

HubHUB No — the web T runs down to the bore; on a solid pulley — the rim

Hub diameterDh

Default ≈1.8·d

Hub length LL

Longer than the rim — protrudes, shorter — recessed

Web thickness TT

Not more than the rim width

Rim thickness under grooverim

From groove bottom to the recess

SHAFT MOUNTING

Shaft mountingMOUNT

Bore dd

Keyway width bb

8 · computed

DIN 6885-1: Ø25 → 8 x 3.3

Keyway depth t2t2

3.3mm · computed

DIN 6885-1: Ø25 → 8 x 3.3

GROOVE (STANDARD)

b — pitch line to outsidegb

3.3mm · computed

ГОСТ 20889-88, сечение A

h — depth below pitch linegh

8.7mm · computed

ГОСТ 20889-88, сечение A

lp — pitch widthlp

11mm · computed

ГОСТ 20889-88, сечение A

e — groove spacingge

15mm · computed

ГОСТ 20889-88, сечение A

f — face to groove axisgf

10mm · computed

ГОСТ 20889-88, сечение A

Groove anglealpha

36° · computed

ГОСТ 20889-88, сечение A

CALCULATED

Rim width BB

35mm · computed

Outside diameterDo

131.6mm · computed

Groove bottom diameterDbot

107.6mm · computed

Groove bottom half-widthwb

2.673mm · computed

Groove wall axial lengthwz

3.899mm · computed

Rim inner diameterDi

93.6mm · computed