Crankshaft Journals

Crankshaft bearings
Main bearing-to-journal oil clearance
F23A1 (1000001 - ,2000001 -, 3000001 -, 4000001-)
No. 1 journal
Standard or New 0.021 0.045 mm (0.0008 - 0.0018 inch)
Limit 0.050 mm (0.0020 inch)
No. 2 journal
Standard or New 0.021 - 0.045 mm (0.0008 - 0.0018 inch)
Limit 0.050 mm (0.0020 inch)
No. 3 journal
Standard or New 0.025 - 0.049 mm (0.0010 - 0.0019 inch)
Limit 0.055 mm (0.0022 inch)
F23A4 (1000001 -, 2000001 -, 3000001 -, 4000001-)
No. 4 journal
Standard or New 0.021 - 0.045 mm (0.0008 - 0.0018 inch)
Limit 0.050 mm (0.0020 inch)
No. 5 journal
Standard or New 0.009 - 0.033 mm (0.0004 - 0.0013 inch)
Limit 0.040 mm (0.0016 inch)
F23A1 (3400001 -, 4400001 -),
F23A4 (3400001 -, 4400001 -) engines
Main bearing-to-journal oil clearance engines
No. 1 journal
Standard or New 0.025 - 0.049 mm (0.0010 - 0.0019 inch)
Limit 0.055 mm (0.0022 inch)
F23A1 (3500001-, 4500001),
No. 2 journal
Standard or New 0.025 - 0.049 mm (0.0010 - 0.0019 inch)
Limit 0.055 mm (0.0022 inch)
F23A4 (3500001-, 4500001),
No. 3 journal
Standard or New 0.021 - 0.045 mm (0.0008 - 0.0018 inch)
Limit 0.050 mm (0.0020 inch)
No. 4 journal
Standard or New 0.013 - 0.037 mm (0.0005 - 0.0015 inch)
Limit 0.045 mm (0.0018 inch)
No. 5 journal
Standard or New 0.009 - 0.033 mm (0.0004 - 0.0013 inch)
Limit 0.040 mm (0.0016 inch)
Main bearing-to-journal oil clearance engines
No. 1 journal
Standard or New 0.013 - 0.037 mm (0.0005 - 0.0015 inch)
Limit 0.045 mm (0.0018 inch)
F23A1 (2500001 -), F23A4 (2500001 -)
No. 2 journal
Standard or New 0.021 - 0.045 mm (0.0008 - 0.0018 inch)
Limit 0.050 mm (0.0020 inch)
No. 3 journal
Standard or New 0.025 - 0.049 mm (0.0010 - 0.0019 inch)
Limit 0.055 mm (0.0022 inch)
No. 4 journal
Standard or New 0.013 - 0.037 mm (0.0005 - 0.0015 inch)
Limit 0.045 mm (0.0018 inch)
No. 5 journal
Standard or New 0.009 - 0.033 mm (0.0004 - 0.0013 inch)
Limit 0.040 mm (0.0016 inch)
Rod bearing clearance
Standard or New 0.021 - 0.049 mm (0.0008 - 0.0019 inch)
Limit 0.060 mm (0.0024 inch)