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7217B - NTN

7217B

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 diameter85 mm
D - External diameter150 mm
B - Bearing/Inner ring width28 mm
a - Charge load application point63,5 mm
α - Contact angle40 °
rs - Min fillet radius2 mm
r1s - Min fillet radius1 mm
Radial clearance classCN
Mass1,82 kg
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PRODUCT PERFORMANCE
C - Dynamic load99,5 kN
C0 - Static load80,5 kN
Cu - Fatigue limit load5,45 kN
N lim - Oil lubrication limit speed5300 tr/min
N lim - Grease lubrication limit speed4000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR95 mm
db min - Min IR shoulder diameter90,5 mm
Da max - Max shoulder diameter OR140 mm
Db max - Max OR shoulder diameter144,5 mm
r1a - Max fillet radius1 mm
ra max - Max shaft & housing fillet radius2 mm
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