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6848JR - NTN

6848JR

Deep groove ball bearing, radial contact, pressed steel cage, open

The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter d 240 mm
External diameter D 300 mm
Bearing/Inner ring width(B) 28 mm
Min fillet radius rs 2 mm
Radial clearance class CN
Mass 4,6 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 85 kN
Static load, C0 112 kN
Fatigue limit load, Cu 5,1 kN
Coefficient f0 15.9
Nlim (oil) 2200 tr/min
Nlim (grease) 1900 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C

ABUTMENT

Min shoulder diameter IR da min 249 mm
Max shoulder diameter OR Da max 291 mm
Max shaft & housing fillet radius ra max 2 mm
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