Angular contact ball bearings 7909DB
Bearing number : 7909DB
Size (mm) : 45x68x12
Brand : NTN
Bore Diameter (mm) : 45
Outer Diameter (mm) : 68
Width (mm) : 12
Bearing dimensions and specification in NTN catalogue:
d - 45 mm
D - 68 mm
B - 12 mm
C - 12 mm
ra1 max. - 0,3 mm
Angle (α) - 25 °
a - 22,5 mm
r min. - 0,6 mm
r1 min. - 0,3 mm
2B - 24 mm
da min. - 49,5 mm
ra max. - 0,6 mm
Db max - 65,5 mm
Weight - 0,3 Kg
Basic dynamic load rating (C) - 25,5 kN
Basic static load rating (C0) - 25,7 kN
(Grease) Lubrication Speed - 8 100 r/min
(Oil) Lubrication Speed - 11 000 r/min
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Maintenance tools for NTN-SNR bearings allows you to maximise the service life of your bearings and the productivity of your facilities. Maintenance tools: everything you need to mount bearings. NTN-SNR has developed a range of tools dedicated to the hot and cold mounting of bearings. It reduces the risk of damage to bearings and increases ...
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NTN Bearing-Singapore Pte L
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Contact | NTN S
NTN-SNR will make every effort to answer your questions and meet your requests. Feel free to use our search engine or select a topic below. If you are a distributor or are looking for commercial information, our offices are waiting to assist you. To identify one of our distributors, please take a look at the list or request the information from us if the information is not public.
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