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 |