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7205B - NTN

7205B

Angular contact ball bearings, pressed steel cage

The single row angular contact ball bearing is designed to withstand combined loads with a predominant axial component. Installed in opposition with another bearing of the same type, it guarantees high mounting rigidity.

The NTN range is available in several variants: 30° or 40° angles, polyamide, pressed steel or solid brass cages, universal pairing available, clearances or preloads, etc.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter25 mm
D - External diameter52 mm
B - Bearing/Inner ring width15 mm
a - Charge load application point24 mm
α - Contact angle40 °
rs - Min fillet radius1 mm
r1s - Min fillet radius0,6 mm
Radial clearance classCN
Mass0,129 kg
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PRODUCT PERFORMANCE
C - Dynamic load16,4 kN
C0 - Static load9,4 kN
Cu - Fatigue limit load0,74 kN
N lim - Oil lubrication limit speed16000 tr/min
N lim - Grease lubrication limit speed12000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR30,5 mm
db min - Min IR shoulder diameter29,5 mm
Da max - Max shoulder diameter OR46,5 mm
Db max - Max OR shoulder diameter47,5 mm
r1a - Max fillet radius0,6 mm
ra max - Max shaft & housing fillet radius1 mm
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