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NSK high-precision angular touch ball bearing specification series layout composition
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Example: 7013C TYN DBLP4
7: bearing mode mark; 7 represents single row angular touch ball bearing 0: scale series mark; (9:19 series; 0:10 series; 2:02 series)
13: Inner diameter code; (03 below: bearing inner diameter 00: 10mm; 01: 12mm; 02: 15mm; 03: 17mm, 04 or more: bearing inner diameter is the inner diameter code X5mm)
C: touch angle code; (C: 15 degrees; A5: 25 degrees; A: 30 degrees)
Data code; (no mark: indicating bearing steel SUJ2; SN24: ceramic beg SiaNa)
TYN: cage code; (TYN: roll-guided polyamide resin cage; continuous application temperature limit of 120 degrees, TR: outer ring guide phenol resin cage; continuous application temperature limit of 120 degrees)
Sealing ring code; (no mark: indicating open type, V1V: non-touch plastic sealing ring)
DB: combination code; (SU: free combination, DU: free combination - 2 columns, DB: back-to-back combination, DF: face-to-face combination, DT: side by side combination, DBD DFD DTD: 3 column combination, DBB DFF DBT DFT DTT: 4 columns combination)
L: pre-tightening code; EL: micro preloading, L: light preloading, M: medium preloading, H: heavy preloading, CP: special preloading clearance, CA: special axial clearance P4: precision code; P2: ISO2 level, P4: ISO4 level, P5: ISO5 level, P3: Special grade (ISO4 grade accuracy; ISO2 grade rotation accuracy), P4Y: Special grade (Inner ring inner ring, outer ring outer diameter difference is NSK special Handling; others are ISO4)
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