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6940C3 - NTN

6940C3

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 200 mm
External diameter D 280 mm
Bearing/Inner ring width(B) 38 mm
Min fillet radius rs 2,1 mm
Radial clearance class C3
Mass 7,1 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load, C 174 kN
Static load, C0 168 kN
Fatigue limit load, Cu 7,45 kN
Coefficient f0 16.2
Nlim (oil) 2600 tr/min
Nlim (grease) 2200 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C

ABUTMENT

Min shoulder diameter IR da min 211 mm
Max shoulder diameter OR Da max 269 mm
Max shaft & housing fillet radius ra max 2 mm
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