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Product Specifications Product Number 6121 Description Keyed Different
● DIN 1810 Form B
6 mm including the drill chuck
88KG Length in cm 31
Measuring range 60~80mmX0
NSK Cylindrical Roller Bearings, Single-Row N-Type, N228W ,D=140 Series_37^7000 Product Specifications Product Number 6121NSK Cylindrical Roller Bearings, Single Row N Type, N228W ,D=140 Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min 1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil N228W 140 250 42 3 3 221 297 375 3400 2000 2400 8. 09 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their rings:
