Manitowoc National Crane NBT30H-2 Service Manual

1-20 03-20-2019 Control # 613-06
INTRODUCTION NBT30H-2 SERVICE MANUAL
Table 1-11 Inch Series Bearing Bolts – Untreated (black finish)
Table 1-12 Metric Series Bearing Bolts– Untreated (black finish)
Nominal Size, Threads per
Inch, and Series
Designation
Grade
Torque (ft/lb)
Maximum Nominal Minimum
5/8-11 UNC 8 234 225 216
5/8-18 UNF 8 250 240 230
3/4-10 UNC 8 385 370 355
7/8-9 UNC 8 615 591 567
1-8 UNC 8 929 893 857
1 1/4-7 UNC 8 2043 1964 1885
Nominal Size, Threads per
Inch, and Series
Designation
Grade
Torque (Nm)
Maximum Nominal Minimum
M20X2.5 12.9 756 727 698
M24X3 10.9 1089 1047 1005
M24X3 12.9 1306 1256 1206
M27X3 10.9 1591 1530 1469

Manitowoc National Crane NBT30H-2 Specifications

General

Brand	Manitowoc
Model	National Crane NBT30H-2
Category	Construction Equipment
Language	English