Service Specifications

Thrust Clearance:
Standard 0.020-0.220 mm (0.0008-0.0087 inch)
Maximum 0.300 mm (0.0118 inch)
Main Journal Oil Clearance
Standard Value:
Standard Bearings 0.026-0.040 mm (0.0010-0.0016 inch)
First U/S (0.250 mm) 0.025-0.061 mm (0.0010-0.0024 inch)
Maximum Value:
Standard Bearings 0.060 mm (0.0024 inch)
First U/S (0.250 mm) 0.08 mm (0.0031 inch)
Main Journal Diameter:
Standard Size 61.984-62.000 mm (2.4403-2.4409 inch)
First U/S (0.250 mm) 61.745-61.755 mm (2.4309-2.4313 inch)
Main Journal Diameter:
Reference Mark:
Mark 0 61.998-62.000 mm (2.44086-2.44094 inch)
Mark 1 61.996-61.998 mm (2.44078-2.44086 inch)
Mark 2 61.994-61.996 mm (2.44070-2.44078 inch)
Mark 3 61.992-61.994 mm (2.44063-2.44070 inch)
Mark 4 61.990-61.992 mm (2.44055-2.44063 inch)
Mark 5 61.988-61.990 mm (2.44047-2.44055 inch)
Mark 6 61.986-61.988 mm (2.44039-2.44047 inch)
Mark 7 61.984-61.986 mm (2.44031-2.44039 inch)
Crank Pin Diameter:
Standard Size 51.982-52.000 mm (2.0465-2.0472 inch)
First U/S 0.2551.745-51.755 mm (2.0372-2.0376 inch)
Crank Pin Diameter:
Reference Mark:
Mark 0 51.994-52.000 mm (2.0470-2.0472 inch)
Mark 1 51.988-51.994 mm (2.0468-2.0470 inch)
Mark 2 51.982-51.988 mm (2.0465-2.0468 inch)
Circle Runout:
Maximum 0.06 mm (0.0024 inch)
Main Journal Taper And Out-Of-Round:
Maximum 0.02 mm (0.0008 inch)
Crank Pin Taper And Out-Of-Round:
Maximum 0.02 mm (0.0008 inch)