NTN 7318 bearings
7318, Angular contact ball bearing, pressed cage, contact angle 30°

- Measurement system
- Metric
- Bore diameter
- 90.000 mm
- Outside diameter
- 190.000 mm
- Width
- 43.000 mm
- Cr
- 189000 N
- C0r
- 147000 N
- Limiting speed
- 4000 r/min
- Net weight
- 5.060 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 7318
Part Number | 7318 | |
---|---|---|
Brand | NTN | |
Description | Angular contact ball bearing | |
Net weight | 5.060 kg | |
PRODUCT DEFINITION | ||
d | 90 mm | Internal diameter |
D | 190 mm | External diameter |
B | 43 mm | Width |
a | 62.000 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 | 189 kN | Dynamic load |
C0 | 147 kN | Static load |
Cu | 9.7 kN | Fatigue limit load |
N | 5 300 tr/min | Oil lubrication limit speed |
N | 4 000 tr/min | Grease lubrication limit speed |
ABUTMENT | ||
da min. | 104 mm | Min shoulder diameter IR |
db min. | 97 mm | Min shoulder diameter IR |
Da max. | 176 mm | Max shoulder diameter OR |
Db max. | 183 mm | Max shoulder diameter OR |
ra max. | 2.5 mm | Max shaft & housing fillet radius |
r1a max. | 1 mm | Max fillet radius |

7318, Brand: NTN, Angular contact ball bearing, Internal diameter 90 mm; External diameter 190 mm; Width 43 mm; 5.060 kg.
NTN 7318, 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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