| Unit: mm (in) |
|
|
| Surface flatness |
Standard |
Less than 0.03 (0.0012) |
| Limit |
0.1 (0.004) |
| Main bearing housing inner diameter |
Standard |
74.993 - 75.017 (2.9525 - 2.9534) |
| Cylinder bore |
Inner diameter |
Standard |
Grade No. 1 |
95.500 - 95.510 (3.7598 - 3.7602) |
| Grade No. 2 |
95.510 - 95.520 (3.7602 - 3.7606) |
| Grade No. 3 |
95.520 - 95.530 (3.7606 - 3.7610) |
| Out-of-round [Difference between (X) and (Y)] |
Limit |
0.015 (0.0006) |
| Taper [Difference between (A) and (C)] |
0.01 (0.0004) |
| Main bearing housing inner diameter (Without bearing) grades |
Grade No. A |
74.993 - 74.994 (2.9525 - 2.9525) |
| Grade No. B |
74.994 - 74.995 (2.9525 - 2.9526) |
| Grade No. C |
74.995 - 74.996 (2.9526 - 2.9526) |
| Grade No. D |
74.996 - 74.997 (2.9526 - 2.9526) |
| Grade No. E |
74.997 - 74.998 (2.9526 - 2.9527) |
| Grade No. F |
74.998 - 74.999 (2.9527 - 2.9527) |
| Grade No. G |
74.999 - 75.000 (2.9527 - 2.9528) |
| Grade No. H |
75.000 - 75.001 (2.9528 - 2.9528) |
| Grade No. J |
75.001 - 75.002 (2.9528 - 2.9528) |
| Grade No. K |
75.002 - 75.003 (2.9528 - 2.9529) |
| Grade No. L |
75.003 - 75.004 (2.9529 - 2.9529) |
| Grade No. M |
75.004 - 75.005 (2.9529 - 2.9529) |
| Grade No. N |
75.005 - 75.006 (2.9529 - 2.9530) |
| Grade No. P |
75.006 - 75.007 (2.9530 - 2.9530) |
| Grade No. R |
75.007 - 75.008 (2.9530 - 2.9531) |
| Grade No. S |
75.008 - 75.009 (2.9530 - 2.9531) |
| Grade No. T |
75.009 - 75.010 (2.9531 - 2.9531) |
| Grade No. U |
75.010 - 75.011 (2.9531 - 2.9532) |
| Grade No. V |
75.011 - 75.012 (2.9532 - 2.9532) |
| Grade No. W |
75.012 - 75.013 (2.9532 - 2.9533) |
| Grade No. X |
75.013 - 75.014 (2.9533 - 2.9533) |
| Grade No. Y |
75.014 - 75.015 (2.9533 - 2.9533) |
| Grade No. 4 |
75.015 - 75.016 (2.9533 - 2.9534) |
| Grade No. 7 |
75.016 - 75.017 (2.9534 - 2.9534) |
| Difference in inner diameter between cylinders |
Standard |
Less than 0.03 (0.0012) |