Bearing K50X55X30 KOYO
Needle Roller Bearing Boyal Industrial Pte ltd. are a few 50.8x85x17.462 brands you will find in our inventory. Find Bearing K50X55X30 KOYO to see what's in stock!
| Bearing number: |
4T-18790/18720 |
| Size (mm): |
50.8x85x17.462 |
| Bore Diameter (mm): |
50,8 |
| Outer Diameter (mm): |
85 |
| Width (mm): |
17,462 |
| d: |
50,8 mm |
| D: |
85 mm |
| T: |
17,462 mm |
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Product Details
| Bearing number |
4T-18790/18720 |
| Size (mm) |
50.8x85x17.462 |
| Bore Diameter (mm) |
50,8 |
| Outer Diameter (mm) |
85 |
| Width (mm) |
17,462 |
| d |
50,8 mm |
| D |
85 mm |
| T |
17,462 mm |
| B |
17,462 mm |
| C |
13,495 mm |
| ra1 max. |
1,5 mm |
| a |
0,8 mm |
| Da |
77 mm |
| db |
56 mm |
| ra max. |
3,5 mm |
| da |
62 mm |
| Db |
80 mm |
| Weight |
0,374 Kg |
| Basic dynamic load rating (C) |
49,5 kN |
| Basic static load rating (C0) |
65 kN |
| (Grease) Lubrication Speed |
4 200 r/min |
| (Oil) Lubrication Speed |
5 600 r/min |
| Calculation factor (e) |
0,41 |
| Calculation factor (Y0) |
0,81 |
| d1 |
67 mm |
| e |
0.41 |
| Y2 |
1.48 |
| Y0 |
0.81 |
| Mass |
0.37 kg |
| Dynamic load, C |
49.5 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
65 kN |
| Fatigue limit load, Cu |
7.9 kN |
| Nlim (oil) |
5,600 rpm |
| Nlim (grease) |
4,200 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.45 Hz |
| Characteristic rolling element frequency, BSF |
8.91 Hz |
| Characteristic outer ring frequency, BPF0 |
10.27 Hz |
| Characteristic inner ring frequency, BPFI |
12.73 Hz |
| ra max |
3.5 mm |
| r1a max |
1.5 mm |