SR20SB[1,2,3,4,5,6,7,8,9]M+[61-1480/1]LM THK Radial Load Linear Guide Accuracy and Preload Selectable SR Series
| Brand Name: |
THK |
| Model Number: |
SR20SB[1,2,3,4,5,6,7,8,9]M+[61-1480/1]LM |
| Bearing number: |
7228 |
| Size (mm): |
140x250x42 |
| Bore Diameter (mm): |
140 |
| Outer Diameter (mm): |
250 |
| Width (mm): |
42 |
| d: |
140 mm |
| D: |
250 mm |
| B: |
42 mm |
| PDF |
SR20SB[1,2,3,4,5,6,7,8,9]M+[61-1480/1]LM |
Product Details
| Bearing number |
7228 |
| Size (mm) |
140x250x42 |
| Bore Diameter (mm) |
140 |
| Outer Diameter (mm) |
250 |
| Width (mm) |
42 |
| d |
140 mm |
| D |
250 mm |
| B |
42 mm |
| C |
42 mm |
| Angle (α) |
30 ° |
| a |
77,3 mm |
| r min. |
3 mm |
| r1 min. |
1,1 mm |
| da min. |
154 mm |
| Da max. |
236 mm |
| ra max. |
2.5 mm |
| Weight |
7,76 Kg |
| Basic dynamic load rating (C) |
218 kN |
| Basic static load rating (C0) |
234 kN |
| (Grease) Lubrication Speed |
2900 r/min |