NTN 7905 bearings
7905, Angular contact ball bearing, resin cage, contact angle 30

- Measurement system
- Metric
- Bore diameter
- 25.000 mm
- Outside diameter
- 42.000 mm
- Width
- 9.000 mm
- Cr
- 7900 N
- C0r
- 4950 N
- Limiting speed
- 17000 r/min
- Net weight
- 0.050 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 7905
Part Number | 7905 | |
---|---|---|
Brand | NTN | |
Description | Angular contact ball bearing | |
Net weight | 0.050 kg | |
PRODUCT DEFINITION | ||
d | 25 mm | Internal diameter |
D | 42 mm | External diameter |
B | 9 mm | Width |
a | 14.000 mm | Charge load application point |
α | 30° | Contact angle |
rs | 0.3 mm | Min fillet radius |
r1s | 0.15 mm | Min fillet radius |
PRODUCT PERFORMANCE | ||
C | 7.9 kN | Dynamic load |
C0 | 4.95 kN | Static load |
Cu | 0.36 kN | Fatigue limit load |
N | 22 000 tr/min | Oil lubrication limit speed |
N | 17 000 tr/min | Grease lubrication limit speed |
ABUTMENT | ||
da min. | 27.5 mm | Min shoulder diameter IR |
db min. | 27.5 mm | Min shoulder diameter IR |
Da max. | 39.5 mm | Max shoulder diameter OR |
Db max. | 40.8 mm | Max shoulder diameter OR |
ra max. | 0.3 mm | Max shaft & housing fillet radius |
r1a max. | 0.15 mm | Max fillet radius |

7905, Brand: NTN, Angular contact ball bearing, Internal diameter 25 mm; External diameter 42 mm; Width 9 mm; 0.050 kg.
NTN 7905, 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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