NTN 7311 bearings
7311, Angular contact ball bearing, pressed cage, contact angle 30°
- Measurement system
- Metric
- Bore diameter
- 55.000 mm
- Outside diameter
- 120.000 mm
- Width
- 29.000 mm
- Cr
- 95000 N
- C0r
- 61500 N
- Limiting speed
- 6400 r/min
- Net weight
- 1.390 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 7311
| Part Number | 7311 | |
|---|---|---|
| Brand | NTN | |
| Description | Angular contact ball bearing | |
| Net weight | 1.390 kg | |
| PRODUCT DEFINITION | ||
| d | 55 mm | Internal diameter |
| D | 120 mm | External diameter |
| B | 29 mm | Width |
| a | 40.000 mm | Charge load application point |
| α | 30° | Contact angle |
| rs | 2.0 mm | Min fillet radius |
| r1s | 1.00 mm | Min fillet radius |
| PRODUCT PERFORMANCE | ||
| C | 95 kN | Dynamic load |
| C0 | 61.5 kN | Static load |
| Cu | 4.8 kN | Fatigue limit load |
| N | 8 600 tr/min | Oil lubrication limit speed |
| N | 6 400 tr/min | Grease lubrication limit speed |
| ABUTMENT | ||
| da min. | 65 mm | Min shoulder diameter IR |
| db min. | 60.5 mm | Min shoulder diameter IR |
| Da max. | 110 mm | Max shoulder diameter OR |
| Db max. | 114.5 mm | Max shoulder diameter OR |
| ra max. | 2 mm | Max shaft & housing fillet radius |
| r1a max. | 1 mm | Max fillet radius |
7311, Brand: NTN, Angular contact ball bearing, Internal diameter 55 mm; External diameter 120 mm; Width 29 mm; 1.390 kg.
NTN 7311, 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.
- Log in to post comments
Related products
NTN 7311B bearings
Brand: NTN
Angular contact ball bearing
Dimensions: 55x 120x 29mm