3512 and 3516 EUI Engines and 784B, 785B, 789B and 793B Off-Highway Truck/Tractors Caterpillar


Connecting Rod and Main Bearing Journals

Usage:

793B 1HL
详细信息参见可再用零件指南, SEBF8009, "主轴承和连杆轴承"。

连杆轴承轴颈

表 1
连杆轴承曲轴轴颈(轴承表面)直径 
原始尺寸轴颈  135.000 ± 0.025 mm (5.3150 ± 0.0010 in) 
缩小尺寸轴颈
0.63 mm (0.025 in) 
134.370 ± 0.025 mm (5.2902 ± 0.0010 in) 
缩小尺寸轴颈
1.27 mm (0.050 in) 
133.730 ± 0.025 mm (5.2650 ± 0.0010 in) 

轴承和新轴颈间的间隙 ... 0.107 至 0.218 mm (0.0042 至 0.0086 英寸)

主轴承轴颈

表 2
主轴承曲轴轴颈(轴承表面)直径 
原始尺寸轴颈  160.000 ± 0.025 mm (6.2992 ± 0.0010 in) 
缩小尺寸轴颈
0.63 mm (0.025 in) 
159.370 ± 0.025 mm (6.2744 ± 0.0010 in) 
缩小尺寸轴颈
1.27 mm (0.050 in) 
158.730 ± 0.025 mm (6.2492 ± 0.0010 in) 

轴承和新轴颈间的间隙 ... 0.122 至 0.241 mm (0.0048 至 0.0095 英寸)

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