NTN 7321B bearings
7321B, Angular contact ball bearing, pressed cage, contact angle 40°

- Measurement system
- Metric
- Bore diameter
- 105.000 mm
- Outside diameter
- 225.000 mm
- Width
- 49.000 mm
- Cr
- 224000 N
- C0r
- 194000 N
- Limiting speed
- 2900 r/min
- Net weight
- 8.360 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 7321B
Part Number | 7321B | |
---|---|---|
Brand | NTN | |
Description | Angular contact ball bearing | |
Net weight | 8.360 kg | |
PRODUCT DEFINITION | ||
d | 105 mm | Internal diameter |
D | 225 mm | External diameter |
B | 49 mm | Width |
a | 93.500 mm | Charge load application point |
α | 40° | Contact angle |
rs | 3.0 mm | Min fillet radius |
r1s | 1.10 mm | Min fillet radius |
PRODUCT PERFORMANCE | ||
C | 224 kN | Dynamic load |
C0 | 194 kN | Static load |
Cu | 11.8 kN | Fatigue limit load |
N | 3 800 tr/min | Oil lubrication limit speed |
N | 2 900 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 |

7321B, Brand: NTN, Angular contact ball bearing, Internal diameter 105 mm; External diameter 225 mm; Width 49 mm; 8.360 kg.
NTN 7321B, 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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NTN 7321 bearings
Brand: NTN
Angular contact ball bearing
Dimensions: 105x 225x 49mm