NTN 7908 bearings
7908, Angular contact ball bearing, resin cage, contact angle 30

- Measurement system
- Metric
- Bore diameter
- 40.000 mm
- Outside diameter
- 62.000 mm
- Width
- 12.000 mm
- Cr
- 14000 N
- C0r
- 10200 N
- Limiting speed
- 11000 r/min
- Net weight
- 0.130 kg
- Number of rows
- 1
- Contact angle deg
- 30
- Sealing
- Without
- Cage
- Resin cage
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
In stock
Technical specification for NTN 7908
Part Number | 7908 | |
---|---|---|
Brand | NTN | |
Description | Angular contact ball bearing | |
Net weight | 0.130 kg | |
PRODUCT DEFINITION | ||
d | 40 mm | Internal diameter |
D | 62 mm | External diameter |
B | 12 mm | Width |
a | 20.500 mm | Charge load application point |
α | 30° | Contact angle |
rs | 0.6 mm | Min fillet radius |
r1s | 0.30 mm | Min fillet radius |
PRODUCT PERFORMANCE | ||
C | 14 kN | Dynamic load |
C0 | 10.2 kN | Static load |
Cu | 0.705 kN | Fatigue limit load |
N | 15 000 tr/min | Oil lubrication limit speed |
N | 11 000 tr/min | Grease lubrication limit speed |
ABUTMENT | ||
da min. | 44.5 mm | Min shoulder diameter IR |
db min. | 44.5 mm | Min shoulder diameter IR |
Da max. | 57.5 mm | Max shoulder diameter OR |
Db max. | 59.5 mm | Max shoulder diameter OR |
ra max. | 0.6 mm | Max shaft & housing fillet radius |
r1a max. | 0.3 mm | Max fillet radius |

7908, Brand: NTN, Angular contact ball bearing, Internal diameter 40 mm; External diameter 62 mm; Width 12 mm; 0.130 kg.
NTN 7908, 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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