NTN 7309 bearings

7309, Angular contact ball bearing, pressed cage, contact angle 30°

NTN angular contact ball bearing, pressed cage

Measurement system: Metric
Bore diameter: 45.000 mm
Outside diameter: 100.000 mm
Width: 25.000 mm
Cr: 70500 N
C0r: 44000 N
Limiting speed: 7800 r/min
Net weight: 0.840 kg
Number of rows: 1
Contact angle deg: 30
Sealing: Without
Cage: Steel sheet
Bearing material: Steel
Rolling material: Steel
Tolerance class: Normal (PN)

In stock

Technical specification for NTN 7309

NTN 7309
PRODUCT DEFINITION
Part Number	7309
Brand	NTN
Description	Angular contact ball bearing
Net weight	0.840 kg
d	45 mm	Internal diameter
D	100 mm	External diameter
B	25 mm	Width
a	33.500 mm	Charge load application point
α	30°	Contact angle
rs	1.5 mm	Min fillet radius
r1s	1.00 mm	Min fillet radius
PRODUCT PERFORMANCE
C	70.5 kN	Dynamic load
C0	44 kN	Static load
Cu	3.45 kN	Fatigue limit load
N	10 000 tr/min	Oil lubrication limit speed
N	7 800 tr/min	Grease lubrication limit speed
ABUTMENT
da min.	53.5 mm	Min shoulder diameter IR
db min.	50.5 mm	Min shoulder diameter IR
Da max.	91.5 mm	Max shoulder diameter OR
Db max.	94.5 mm	Max shoulder diameter OR
ra max.	1.5 mm	Max shaft & housing fillet radius
r1a max.	1 mm	Max fillet radius

7309, Brand: NTN, Angular contact ball bearing, Internal diameter 45 mm; External diameter 100 mm; Width 25 mm; 0.840 kg.

NTN 7309, single row angular contact ball bearing is designed to withstand combined loads with a predominant axial componen. Installed in opposition with another bearing of the same type, it guarantees high mounting rigidity.

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