C6.6 Engines for Caterpillar Built Machines Caterpillar


Main Bearing Journal

Usage:

CS-56B 437
有关缩小尺寸的主轴承轴颈信息和主轴承轴颈的宽度信息,请参阅技术参数, "曲轴"。

主轴承轴颈的原始尺寸 ... 83.99 至 84.01 mm (3.307 至 3.308 in)

主轴承轴颈的最大允许磨损量 ... 0.040 mm (0.0016 in)

主轴承轴颈的倒角半径 ... 3.68 至 3.96 mm (0.145 至 0.156 in)

轴承轴颈和曲轴销的表面抛光 ... 0.2 微米

半径表面抛光 ... 0.4 微米

新主轴承轴颈的宽度 ... 35.235 至 35.165 mm (1.3872 至 1.3844 in)

主轴承壳体

再加工的轴颈可以选用具有下面的缩小尺寸的主轴承壳体。

缩小尺寸的轴承壳体 ... 0.25 mm (0.010 in)
缩小尺寸的轴承壳体 ... 0.51 mm (0.020 in)
缩小尺寸的轴承壳体 ... 0.76 mm (0.030 in)

壳体中央的厚度 ... 2.083 至 2.089 mm (0.0820 至 0.0823 in)

主轴承壳体的宽度 ... 31.62 至 31.88 mm (1.244 至 1.255 in)

轴承壳体与主轴承轴颈之间的间隙 ... 0.026 至 0.084 mm (0.0010 至 0.0033 in)

Caterpillar Information System:

C6.6 Engines for Caterpillar Built Machines Connecting Rod Bearing Journal
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