Tuesday, 30 April 2013

C5 drive components

Planetary gearbox output drive pulley:
- Diameter ~31mm
- 21 tooth

Axle Drive pulley:
- Diameter ~107mm
- 68 tooth
- One Way Bearing INA HFL 2026 Only $14.95. http://www.vxb.com/page/bearings/PROD/Kit8242

Drive Belt:
- Length = 400mm
- Width = 18mm
- Teeth = 80 tooth
- 5mm Pitch
- Megadyne Isoran 400 RPP5 http://www.megadyne.co.uk/files/Products%20Guide%20Catalog.pdf P22
- Locally - 400-T5 80 400.0 from http://www.naismith.com.au/catalogues/pulleys/metric.pdf

Final ratio = 21/68 = .308 or a 3.23 reduction.

Replacement Aluminium Pulleys from Naismith:
- Large = 60-T5-16
- Small = 20-T5-16F for similar final drive ratio.

Could use 25mm wide pulleys to allow for machining.

Motor Bearing - Both Ends: GMN 6201 http://www.gmnbt.com/deep-groove-bearings-selection-guide.htm
Planetary support bearing x2 (on drive end of motor shaft) GMN 607
Large output shaft bearing 61808

3 x Gearbox planet carrier shafts ~ 8mm

Bearings verified fron C5 yahoo group.
> > Hi Folks...
> >
> > Somewhere someone prolly needs this info..
> > Universal part numbers for the motor bearings.....
> >
> > Outer gearbox bearing: 61808 (I'd recommend a 61808-2RS cos it's
> sealed)
> >
> > Planetary carrier inner bearings: 607 (no need to worry about
> sealing on
> > these really)
> >
> > Armature main bearings: 6201 (once again I'd recommend the 6201-
> 2RS, though
> > Sincalir fitted the 6201-ZZ which is shielded but not sealed)..
> >
> > I've got a new set on order for my motor, and it's costin me a bit
> over 20
> > UKP for one 61808-2RS, and a pair of each 6201-2RS and 607....
> >
> > chrisc






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