NTN MA1206#BW services Roller Bearings
Brand Name |
NTN MA1206#BW services Roller Bearings |
Model Number |
NTN MA1206#BW |
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
Product Details
Bearing number |
7205 CD/P4A |
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 |
D1 |
43.7 mm |
r1,2 - min. |
1 mm |
r3,4 - min. |
0.3 mm |
a |
12.8 mm |
da - min. |
30.6 mm |
db - min. |
30.6 mm |
Da - max. |
46.4 mm |
Db - max. |
49.6 mm |
ra - max. |
1 mm |
rb - max. |
0.3 mm |
dn |
36.1 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 |
30000 r/min |
Limiting speed for oil lubrication |
45000 mm/min |
Ball - Dw |
7.938 mm |
Ball - z |
13 |
Gref |
1.872 cm3 |
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 |
1.05 |
Calculation factor - fHC |
1 |
Preload class A |
29 N/micron |
Preload class B |
38 N/micron |
Preload class C |
52 N/micron |
Preload class D |
72 N/micron |
Category |
Precision Ball Bearings |
Inventory |
0.0 |
Minimum Buy Quantity |
N/A |
Weight / Kilogram |
0.14 |
Product Group |
B04270 |
Enclosure |
Open |
Precision Class |
ABEC 7 | ISO P4 |
Material - Ball |
Steel |
Number of Bearings |
1 (Single) |
Contact Angle |
15 Degree |
Preload |
None |
Raceway Style |
1 Rib Outer Ring |
Cage Material |
Phenolic |
Rolling Element |
Ball Bearing |
Flush Ground |
No |
Inch - Metric |
Metric |
Other Features |
Single Row | Angular Contact | Super Precision | High Capacity |
Long Description |
25MM Bore; 52MM Outside Diameter; 15MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearings; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Rac |
UNSPSC |
31171531 |
Harmonized Tariff Code |
8482.10.50.28 |
Noun |
Bearing |
Keyword String |
Angular Contact Ball |
Manufacturer Item Number |
7205 CD/P4A |
Weight / LBS |
0.298 |
Width |
0.591 Inch | 15 Millimeter |
Bore |
0.984 Inch | 25 Millimeter |
Outside Diameter |
2.047 Inch | 52 Millimeter |
r1,2 min. |
1 mm |
r3,4 min. |
0.3 mm |
da min. |
30.6 mm |
db min. |
30.6 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 |
30000 r/min |
Attainable speed for oil-air lubrication |
45000 r/min |
Ball diameter Dw |
7.938 mm |
Number of balls z |
13 |
Reference grease quantity Gref |
1.872 cm³ |
Preload class A GA |
50 N |
Static axial stiffness, preload class A |
29 N/µm |
Preload class B GB |
100 N |
Static axial stiffness, preload class B |
38 N/µm |
Preload class C GC |
200 N |
Static axial stiffness, preload class C |
52 N/µm |
Preload class D GD |
400 N |
Static axial stiffness, preload class D |
72 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 |
1.05 |
Calculation factor fHC |
1 |
Calculation factor f0 |
9.1 |
Mass bearing |
0.13 kg |
Company Profile
Worktime |
Seg - Sex (9.00 - 18.00) Sáb (9: 00-12: 00) |
Phone |
(65) 8257 8518 |
Fax |
(65) 6258 7399 |