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NA 49 Series NA4988

Technical Details

Bore Diameter (mm) d Outer Diameter (mm) D Width (mm) B Weight (Kg)
440 600 131

Needle roller bearings NA4988 have a long record of accomplishment as proven machine elements for the design of radially compact bearing arrangements with very high load-carrying capacity. Needle roller bearings with an inner ring are used for applications where the shaft cannot be hardened and ground. The permissible axial displacement of the shaft relative to the housing is limited for bearings with an inner ring. If the permissible axial displacement provided by a standard inner ring is insufficient, it is possible to use an extended inner ring.

Applications and industry: AGRICULTUREAUTOMOTIVECEMENT INDUSTRYCRUSHER INDUSTRYHEAVY MACHINERY EQUIPMENTSHOME APPLIANCESMINING SECTORMETAL INDUSTRYFLUID MACHINERYTEXTILE INDUSTRY

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Bearing Number Inner Diameter (d) MM Outer Diameter (D) MM C fw Basic Load Rating (N) Dyn. C Basic Load Rating (N) Stat. C0 Limiting Speed Weight (KG)
NA4988 440 600 160 490 1400000 3680000 640 131