NTN 7321 bearings

7321, Angular contact ball bearing, pressed cage, contact angle 30°

NTN angular contact ball bearing, pressed cage

Measurement system: Metric
Bore diameter: 105.000 mm
Outside diameter: 225.000 mm
Width: 49.000 mm
Cr: 244000 N
C0r: 210000 N
Limiting speed: 3400 r/min
Net weight: 8.200 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 7321

NTN 7321
PRODUCT DEFINITION
Part Number	7321
Brand	NTN
Description	Angular contact ball bearing
Net weight	8.200 kg
d	105 mm	Internal diameter
D	225 mm	External diameter
B	49 mm	Width
a	72.000 mm	Charge load application point
α	30°	Contact angle
rs	3.0 mm	Min fillet radius
r1s	1.10 mm	Min fillet radius
PRODUCT PERFORMANCE
C	244 kN	Dynamic load
C0	210 kN	Static load
Cu	12.8 kN	Fatigue limit load
N	4 500 tr/min	Oil lubrication limit speed
N	3 400 tr/min	Grease lubrication limit speed
ABUTMENT
da min.	119 mm	Min shoulder diameter IR
db min.	112 mm	Min shoulder diameter IR
Da max.	211 mm	Max shoulder diameter OR
Db max.	218 mm	Max shoulder diameter OR
ra max.	2.5 mm	Max shaft & housing fillet radius
r1a max.	1 mm	Max fillet radius

7321, Brand: NTN, Angular contact ball bearing, Internal diameter 105 mm; External diameter 225 mm; Width 49 mm; 8.200 kg.

NTN 7321, 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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