SR30SB[1,2,3,4,5,6,7,8,9]M+[81-2520/1]L[H,P,SP,UP]M THK Radial Load Linear Guide Accuracy and Preload Selectable SR Series
| Brand Name: |
THK |
| Model Number: |
SR30SB[1,2,3,4,5,6,7,8,9]M+[81-2520/1]L[H,P,SP,UP]M |
| Bearing number: |
6808NR |
| Size (mm): |
40x52x7 |
| Bore Diameter (mm): |
40 |
| Outer Diameter (mm): |
52 |
| Width (mm): |
7 |
| d: |
40 mm |
| D: |
52 mm |
| B: |
7 mm |
| PDF |
SR30SB[1,2,3,4,5,6,7,8,9]M+[81-2520/1]L[H,P,SP,UP]M |
Product Details
| Bearing number |
6808NR |
| Size (mm) |
40x52x7 |
| Bore Diameter (mm) |
40 |
| Outer Diameter (mm) |
52 |
| Width (mm) |
7 |
| d |
40 mm |
| D |
52 mm |
| B |
7 mm |
| C |
7 mm |
| rn |
0,3 mm |
| a |
1,3 mm |
| b |
0,95 mm |
| f |
0,85 mm |
| r min. |
0,3 mm |
| r0 max. |
0,25 mm |
| D1 |
50,7 mm |
| D2 |
54,8 mm |
| da min. |
42 mm |
| da max |
43 mm |
| Da max. |
50 mm |
| ra max. |
0,3 mm |
| Dx |
55,5 mm |
| Cy |
1,9 mm |
| Cz |
0,9 mm |
| Weight |
0,033 Kg |
| Basic dynamic load rating (C) |
5,1 kN |
| Basic static load rating (C0) |
4,4 kN |
| (Grease) Lubrication Speed |
12 000 r/min |
| (Oil) Lubrication Speed |
14 000 r/min |