M257149D/M257110/M257110D NSK Double Row Double Row Bearings
| Brand Name: |
NSK |
| Model Number: |
M257149D/M257110/M257110D |
| d: |
20 mm |
| D: |
52 mm |
| B: |
15 mm |
| d1 ≈: |
33.15 mm |
| d2 ≈: |
26.75 mm |
| D2 ≈: |
41.55 mm |
| a: |
22.8 mm |
| r1,2 min.: |
1.1 mm |
Product Details
| d |
20 mm |
| D |
52 mm |
| B |
15 mm |
| d1 ≈ |
33.15 mm |
| d2 ≈ |
26.75 mm |
| D2 ≈ |
41.55 mm |
| a |
22.8 mm |
| r1,2 min. |
1.1 mm |
| r3,4 min. |
0.6 mm |
| da min. |
27 mm |
| da max. |
30.5 mm |
| Da max. |
45 mm |
| Db max. |
47.8 mm |
| ra max. |
1 mm |
| rb max. |
0.6 mm |
| Basic dynamic load rating C |
17.4 kN |
| Basic static load rating C0 |
9.5 kN |
| Fatigue load limit Pu |
0.4 kN |
| Reference speed |
17000 r/min |
| Limiting speed |
13000 r/min |
| Calculation factor A |
0.00191 |
| Calculation factor kr |
0.1 |
| Calculation factor e |
1.14 |
| Calculation factor X |
0.57 |
| Calculation factor Y0 |
0.52 |
| Calculation factor Y2 |
0.93 |
| Calculation factor Y1 |
0.55 |
| Standard grease |
GXN |
| Mass bearing |
0.14 kg |
Company Profile
| Worktime |
9:00-18:00(BeiJing time) |
| Phone |
86-13563849567 |