Rotor 28-141 303-12039

Rotor

Replace OEM(s): Delco

For: Delco 21SI Series 50-70A/24V IR/EF Alternatorss

Used On: Delco 21SI Alternators

Amps: 70 Amps

Amps Draw: 2.5 Amps

Amps Low Output: 50 Amps

Body OD: 4.236in / 107.6mm

Components: 34-2171 Shaft 34-1285 Slip Ring

Condition: New

DE Length: 92mm

DE Shaft OD: 25mm

DE Shaft Pulley OD: 22.3mm

DE Threads: 5/8-18

Ground: Ground

Length: 8.276in / 210.2mm

Notes 3: 5/8-18Long SRE Bearing Type

Poles Count: 12 Poles

Poles Length: 54.5mm

Poles OD: 108mm

Poles Thickness: 2.256in / 57.3mm

Shaft OD (DE Bearing): 0.984in / 25mm

Shaft OD (Pulley): 0.874in / 22.2mm

Shaft OD (SRE): 0.669in / 17mm

Shaft Threads: 5/8-18

Slip Ring ID: 0.669in / 17mm

Slip Ring OD: 1.169in / 29.7mm

Specification: 28mm from slip ring to end of shaft

SRE Ctr Slipring Length: 77mm

SRE Length: 63mm

Voltage: 24 Volt

Weight: 7.1 lbs / 3.23 kg