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6838 - NTN

6838

Deep groove ball bearing, radial contact, machined 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) 190 mm
External diameter (D) 240 mm
Bearing/Inner ring width (B) 24 mm
Min fillet radius (rs) 1,5 mm
Radial clearance class CN
Mass 2,62 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load (C) 81 kN
Static load (C0) 88 kN
Fatigue limit load (Cu) 4 kN
Coefficient f0 16.1
Nlim (oil) 2900 tr/min
Nlim (grease) 2400 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 120 °C

ABUTMENT

Min shoulder diameter IR (da min) 198 mm
Max shoulder diameter OR (Da max) 232 mm
Max shaft & housing fillet radius (ra max) 1,5 mm
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