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Single row or matched pairs of angular contact ball bearings

7234BG - NTN

7234BG
7234BG
7234BG
7234BG

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 diameter170 mm
D - External diameter310 mm
B - Bearing/Inner ring width52 mm
a - Charge load application point127 mm
α - Contact angle40 °
rs - Min fillet radius4 mm
r1s - Min fillet radius1,5 mm
Radial clearance classCN
Mass17,4 kg
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PRODUCT PERFORMANCE
C - Dynamic load295 kN
C0 - Static load325 kN
Cu - Fatigue limit load15,6 kN
N lim - Oil lubrication limit speed2500 tr/min
N lim - Grease lubrication limit speed1900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR188 mm
Da max - Max shoulder diameter OR292 mm
Db max - Max OR shoulder diameter301,5 mm
r1a - Max fillet radius1,5 mm
ra max - Max shaft & housing fillet radius3 mm
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