55 mm x 120 mm x 29 mm 55 mm x 120 mm x 29 mm KOYO NUP311R KOYO Bearing
Welcome to the 55 mm x 120 mm x 29 mm 55 mm x 120 mm x 29 mm KOYO NUP311R KOYO Bearing online seller. UBC Mechanical Electronic Instrument Co., Ltd. 55 mm x 120 mm x 29 mm 16 da_min
What is NUP311R bearing interchange？
| Brand Name: |
KOYO |
| Model Number: |
NUP311R |
| Bearing number: |
4T-30305D |
| Size (mm): |
25x62x18.25 |
| Bore Diameter (mm): |
25 |
| Outer Diameter (mm): |
62 |
| Width (mm): |
18,25 |
| d: |
25 mm |
| D: |
62 mm |
| T: |
18,25 mm |
| PDF |
NUP311R |
Product Details
| Bearing number |
4T-30305D |
| Size (mm) |
25x62x18.25 |
| Bore Diameter (mm) |
25 |
| Outer Diameter (mm) |
62 |
| Width (mm) |
18,25 |
| d |
25 mm |
| D |
62 mm |
| T |
18,25 mm |
| B |
17 mm |
| C |
13 mm |
| ra1 max. |
1,5 mm |
| a |
20 mm |
| r min. |
1,5 mm |
| r1 min. |
1,5 mm |
| da min. |
33,5 mm |
| Da min |
45,5 mm |
| Da max. |
53,5 mm |
| db max. |
34 mm |
| Db min. |
58,5 mm |
| ra max. |
1,5 mm |
| Sa |
3 mm |
| Sb |
5 mm |
| Weight |
0,284 Kg |
| Basic dynamic load rating (C) |
40,5 kN |
| Basic static load rating (C0) |
43,5 kN |
| (Grease) Lubrication Speed |
5 900 r/min |
| (Oil) Lubrication Speed |
7 800 r/min |
| Calculation factor (e) |
0,83 |
| Calculation factor (Y0) |
0,4 |
| d1 |
46 mm |
| rs min |
1.5 mm |
| r1s min |
1.5 mm |
| e |
0.83 |
| Y2 |
0.73 |
| Y0 |
0.4 |
| Mass |
0.28 kg |
| ISO 355 reference |
T7FB025 |
| Dynamic load, C |
40.5 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
43.5 kN |
| Fatigue limit load, Cu |
5.3 kN |
| Nlim (oil) |
7,800 rpm |
| Nlim (grease) |
5,900 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.42 Hz |
| Characteristic rolling element frequency, BSF |
5.53 Hz |
| Characteristic outer ring frequency, BPF0 |
6.76 Hz |
| Characteristic inner ring frequency, BPFI |
9.24 Hz |
| da max |
34 mm |
| db min |
33.5 mm |
| Da max |
53.5 mm |
| Db min |
58.5 mm |
| Ca min |
3 mm |
| Cb min |
5 mm |
| ra max |
1.5 mm |
| r1a max |
1.5 mm |
| Category |
Roller Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.251 |
| Product Group |
B04334 |