211B, Single Row Radial Ball Bearing - Open Type
Bearing number: |
S7205 CD/HCP4A |
Size (mm): |
52x25x15 |
Bore Diameter (mm): |
52 |
Outer Diameter (mm): |
25 |
Width (mm): |
15 |
d: |
25 mm |
D: |
52 mm |
B: |
15 mm |
Product Details
Bearing number |
S7205 CD/HCP4A |
Size (mm) |
52x25x15 |
Bore Diameter (mm) |
52 |
Outer Diameter (mm) |
25 |
Width (mm) |
15 |
d |
25 mm |
D |
52 mm |
B |
15 mm |
d1 |
34.1 mm |
d2 |
34.1 mm |
D2 |
45.9 mm |
r1,2 - min. |
1 mm |
r3,4 - min. |
0.3 mm |
a |
12.8 mm |
da - min. |
30.6 mm |
da - max. |
33.5 mm |
db - min. |
30.6 mm |
db - max. |
33.5 mm |
Da - max. |
46.4 mm |
Db - max. |
49.6 mm |
ra - max. |
1 mm |
rb - max. |
0.3 mm |
Basic dynamic load rating - C |
13.5 kN |
Basic static load rating - C0 |
7.2 kN |
Fatigue load limit - Pu |
0.305 kN |
Limiting speed for grease lubrication |
38000 r/min |
Ball - Dw |
7.938 mm |
Ball - z |
13 |
Calculation factor - f0 |
9.1 |
Preload class A - GA |
50 N |
Preload class B - GB |
100 N |
Preload class C - GC |
200 N |
Preload class D - GD |
400 N |
Calculation factor - f |
1 |
Calculation factor - f2A |
1 |
Calculation factor - f2B |
1.01 |
Calculation factor - f2C |
1.03 |
Calculation factor - f2D |
1.06 |
Calculation factor - fHC |
1.01 |
Preload class A |
32 N/micron |
Preload class B |
42 N/micron |
Preload class C |
58 N/micron |
Preload class D |
80 N/micron |
r1,2 min. |
1 mm |
r3,4 min. |
0.3 mm |
da min. |
30.6 mm |
da max. |
33.5 mm |
db min. |
30.6 mm |
db max. |
33.5 mm |
Da max. |
46.4 mm |
Db max. |
49.6 mm |
ra max. |
1 mm |
rb max. |
0.3 mm |
Basic dynamic load rating C |
13.5 kN |
Basic static load rating C0 |
7.2 kN |
Fatigue load limit Pu |
0.305 kN |
Attainable speed for grease lubrication |
38000 r/min |
Ball diameter Dw |
7.938 mm |
Number of balls z |
13 |
Preload class A GA |
50 N |
Static axial stiffness, preload class A |
32 N/µm |
Preload class B GB |
100 N |
Static axial stiffness, preload class B |
42 N/µm |
Preload class C GC |
200 N |
Static axial stiffness, preload class C |
58 N/µm |
Preload class D GD |
400 N |
Static axial stiffness, preload class D |
80 N/µm |
Calculation factor f |
1.03 |
Calculation factor f1 |
1 |
Calculation factor f2A |
1 |
Calculation factor f2B |
1.01 |
Calculation factor f2C |
1.03 |
Calculation factor f2D |
1.06 |
Calculation factor fHC |
1.01 |
Calculation factor f0 |
9.1 |
Mass bearing |
0.12 kg |
Company Profile
Worktime |
9.00--18.00 |
Phone |
0065-31591338 |
Fax |
0065-31591338 |