NTN 7311B bearings
7311B, Angular contact ball bearing, pressed cage, contact angle 40°
- Measurement system
- Metric
- Bore diameter
- 55.000 mm
- Outside diameter
- 120.000 mm
- Width
- 29.000 mm
- Cr
- 87000 N
- C0r
- 56500 N
- Limiting speed
- 5500 r/min
- Net weight
- 1.420 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 7311B
| Part Number | 7311B | |
|---|---|---|
| Brand | NTN | |
| Description | Angular contact ball bearing | |
| Net weight | 1.420 kg | |
| PRODUCT DEFINITION | ||
| d | 55 mm | Internal diameter |
| D | 120 mm | External diameter |
| B | 29 mm | Width |
| a | 52.000 mm | Charge load application point |
| α | 40° | Contact angle |
| rs | 2.0 mm | Min fillet radius |
| r1s | 1.00 mm | Min fillet radius |
| PRODUCT PERFORMANCE | ||
| C | 87 kN | Dynamic load |
| C0 | 56.5 kN | Static load |
| Cu | 4.45 kN | Fatigue limit load |
| N | 7 300 tr/min | Oil lubrication limit speed |
| N | 5 500 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 |
7311B, Brand: NTN, Angular contact ball bearing, Internal diameter 55 mm; External diameter 120 mm; Width 29 mm; 1.420 kg.
NTN 7311B, 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 7311 bearings
Brand: NTN
Angular contact ball bearing
Dimensions: 55x 120x 29mm