NTN 7304B bearings

7304B, Angular contact ball bearing, pressed cage, contact angle 40°

NTN angular contact ball bearing, steel cage

Measurement system: Metric
Bore diameter: 20.000 mm
Outside diameter: 52.000 mm
Width: 15.000 mm
Cr: 19200 N
C0r: 9650 N
Limiting speed: 13000 r/min
Net weight: 0.140 kg
Number of rows: 1
Contact angle deg: 40
Sealing: Without
Cage: Steel sheet
Bearing material: Steel
Rolling material: Steel
Tolerance class: Normal (PN)

In stock

Technical specification for NTN 7304B

NTN 7304B
PRODUCT DEFINITION
Part Number	7304B
Brand	NTN
Description	Angular contact ball bearing
Net weight	0.140 kg
d	20 mm	Internal diameter
D	52 mm	External diameter
B	15 mm	Width
a	22.500 mm	Charge load application point
α	40°	Contact angle
rs	1.1 mm	Min fillet radius
r1s	0.60 mm	Min fillet radius
PRODUCT PERFORMANCE
C	19.2 kN	Dynamic load
C0	9.65 kN	Static load
Cu	0.755 kN	Fatigue limit load
N	18 000 tr/min	Oil lubrication limit speed
N	13 000 tr/min	Grease lubrication limit speed
ABUTMENT
da min.	27 mm	Min shoulder diameter IR
db min.	24.5 mm	Min shoulder diameter IR
Da max.	45 mm	Max shoulder diameter OR
Db max.	47.5 mm	Max shoulder diameter OR
ra max.	1 mm	Max shaft & housing fillet radius
r1a max.	0.6 mm	Max fillet radius

7304B, Brand: NTN, Angular contact ball bearing, Internal diameter 20 mm; External diameter 52 mm; Width 15 mm; 0.140 kg.

NTN 7304B, 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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