161-7145: Piston Seal
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    161-7145: Piston Seal

    Part Number: 161-7145
    Brand: Cat
    Retrieving Price.....

    Type 7

    A two-piece seal, consisting of a piston ring and an expander, which prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure greater than 3000 psi (20,670 kpa). The various shaped expanders are nitrile.

    UNITS:
    • US
    • Metric
    • Bore Diameter (mm): 70.00
    • Groove Diameter - B (+/- 0.0762 mm) (mm): 54.46
    • Groove Width - A (+/- 0.0508 mm) (mm): 6.40
    • Seal Shape: Type 7
    mex
    302.5, 302.5C

    exc
    313F L 311F LRR 320E L 313F LGC M315F, 312E L M317F, 314E LCR 313F 312E, 320E LRR

    whex
    M314F

    bhl
    420F 422F, 430F2 432F2, 430F 427F2, 426 F2 428E, 428F, 444F, 434F2, 420F2 432F, 444F2, 444E, 432E, 422F2 428F2, 422E, 434F, 434E, 442E

    uat
    AD30, AD45B

    wktl


    ssl
    252B3, 259D 272D2 XHP 297D XHP 299D 279D 257D 277D 299D2 XHP 246D 236B3, 242D 257B3, 236D 272D XHP 299D2 236B, 272D2 252B, 299D XHP 272D 297D2 242B3, 297D2 XHP 297D 259B3

    wtl
    924K 930K 908, 906, 902, 930M 926M