尺寸：20*35*17 ，材質(zhì)：軸承鋼材質(zhì) 。主要型號有：

3579/3525 3580/3525 3581/3525 3585/3525 3586/3520 3586/3525 3659/3620 3776/3720 3777/3720 3778/3720 3779/3720 2559/2523 2578/2523 2580/2520 2582/2523 2585/2520 2585/2523 2585/2523S 2682/2630 2682/2631 2684/2631 2690/2631 2776/2720 2777/2720 2780/2720 2785/2720 2786/2720 2788/2735X 2788A/2729 2789/2735X 2789/2720 2789/2729 2790/2720 2793/2735X 2793/2720 2796/2720 02872/02820 02875/02820 02876/02820 02877/02820 02878/02820 2878/2820 799/792 799A/792 835/832 837/832 841/832 842/832 843/832 861/854 864/854 866/854 896/892 898/892 898A/892 938/932 1380/1329 1680/1620 1755/1729 1775/1729 1779/1729 1779/1729X 1780/1729 1985/1931 1985/1922 1986/1922 1986/1932 1987/1932 1988/1922 1988/1932 02473/02420 02474/02420 2474/2420 02475/02420 02476/02420 2558/2523 659/653 663/653 663/652 664/653 665/653 665A/653 677/672 679/672 683XA/672 685/672 587/672 740/742 744/742 745A/742 748S/742 749S/742 750/742 750A/742 755/752 756A/752 757/752 757/753 760/752 762/752 766/752 776/772 778/772 779/772 780/772 795/792 797/792 577/572 580/572X 580/572 581/572X 581/572 593/592A 593A/592A 594A/592XE 594A/592XS 594/593X 594/592 594/592A 597/592A 598/593X 598A/593X 598/592 598/592A 598A/592A TRA0607 619/612 621/612 622X/614X 623/612 636/632 637/633 639/633 643/633 643/632 644/632 645/632 655/653 657/653 658/653X 498/493 TRO506R 525/522 526/522 527/522 528/522 529/522 536/532X 537/532X 537/532A 539/532X 539A/532X 539/532A 539A/532A 557S/552A 557A/552A 558/553X 558/552A 559/552A 560/553X 560/552A 566/563 566/563X 567A/563 567S/563 567/563 567X/563 568/563 575/572 575S/572 576/572 420/414 436/432 436/432A 438/432 455/453X 455S/453X 455/453A 456/453X 460/453X 460/453A 462/453X 468/453X 469/453X 469/453A 469/454 469Z/453XZ 475/472 476/472 482/472 482/472A 482/472X 483/472 484/472 495S/493 495A/492A 495AX/493 495AS/493 495/492A 495/493 496/492A 496/493 U497/U460L 368S/362 369A/362A 369S/362A 369A/362 370A/362A 375/374 376/374 385/382A 385X/382A 385A/382 385/382 386A/382A 387/382A 387A/382A 387A/382 387/382 387A/383A 388A/382A 388A/382 389A/382A 389A/382 390A/394AS 392/394A 395/394A 395A/394A 395S/394A 396/394A 396/3920 U399A/U365L 399A/394A 399AS/394A 418/414 419/414 4A/6 SK6-7805 28KW02G 31KW01 32KW02/11B 34W/51W TF38KW01 00050/00150 50KW01/3720 CBK-257 CBK-258 TRO305A 336/332 339/332 342/332 342S/332 350A/354A 350/354A 355/354A 355A/354A 355X/352 358/354A 359A/354A 365A/362A 365S/362A 365/362A 365/362 366/362A 367/362A 368/362A 368S/362A XAA32011X/Y32011X 28682/28622 28880/28820 28970/28919  28678/28622 28680/28622 25578/25522 25580/25520 25580/25521 25580/25522 25581/25520 25584/25520 25584/25521 25584/25522 25584/25526 25584A/25527 25584A/25520 25590/25519 25590/25522 25590/25526 25592/25520 25877/25821 25877/25820 25878/25820 25878/25821 26112/26283 26112/26283S 26118/26283 26126X/26300 26131/26283 26131/26334 26132/26334 26878/26822