NTN 2311K Self Aligning Ball Bearings
| Brand Name: |
NTN |
| Model Number: |
2311K |
| Bearing number: |
4T-30302 |
| Size (mm): |
15x42x14.25 |
| Bore Diameter (mm): |
15 |
| Outer Diameter (mm): |
42 |
| Width (mm): |
14,25 |
| d: |
15 mm |
| D: |
42 mm |
| T: |
14,25 mm |
| PDF |
2311K |
Product Details
| Bearing number |
4T-30302 |
| Size (mm) |
15x42x14.25 |
| Bore Diameter (mm) |
15 |
| Outer Diameter (mm) |
42 |
| Width (mm) |
14,25 |
| d |
15 mm |
| D |
42 mm |
| T |
14,25 mm |
| B |
13 mm |
| C |
11 mm |
| ra1 max. |
1 mm |
| a |
9,5 mm |
| r min. |
1 mm |
| r1 min. |
1 mm |
| da min. |
20,5 mm |
| Da min |
35 mm |
| Da max. |
36,5 mm |
| db max. |
22 mm |
| Db min. |
38 mm |
| ra max. |
1 mm |
| Sa |
2 mm |
| Sb |
3 mm |
| Weight |
0,098 Kg |
| Basic dynamic load rating (C) |
23,2 kN |
| Basic static load rating (C0) |
20,8 kN |
| (Grease) Lubrication Speed |
9 900 r/min |
| (Oil) Lubrication Speed |
13 000 r/min |
| Calculation factor (e) |
0,29 |
| Calculation factor (Y0) |
1,16 |
| d1 |
28 mm |
| rs min |
1 mm |
| r1s min |
1 mm |
| e |
0.29 |
| Y2 |
2.11 |
| Y0 |
1.16 |
| Mass |
0.1 kg |
| ISO 355 reference |
T2FB015 |
| Dynamic load, C |
23.2 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
20.8 kN |
| Fatigue limit load, Cu |
2.55 kN |
| Nlim (oil) |
13,000 rpm |
| Nlim (grease) |
9,900 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.39 Hz |
| Characteristic rolling element frequency, BSF |
4.14 Hz |
| Characteristic outer ring frequency, BPF0 |
4.65 Hz |
| Characteristic inner ring frequency, BPFI |
7.35 Hz |
| da max |
22 mm |
| db min |
20.5 mm |
| Da max |
36.5 mm |
| Db min |
38 mm |
| Ca min |
2 mm |
| Cb min |
3 mm |
| ra max |
1 mm |
| r1a max |
1 mm |
| Category |
Roller Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Product Group |
B04334 |