NSK 7012BM Ball Bearings
NSK 7012BM Ball Bearings Warehouse offers car parts and car accessories. We sell discount Industrial Bearings Solutions Indonesia Bearing Authorized Dealer online 52x25x15 as well as cheap machinery parts.
Product Details
Bearing number | 7205 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 |
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 | 38000 r/min |
Limiting speed for oil lubrication | 53000 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 | 1.06 |
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 |
Category | Precision Ball Bearings |
Inventory | 0.0 |
Minimum Buy Quantity | N/A |
Product Group | B04270 |
Enclosure | Open |
Precision Class | ABEC 7 | ISO P4 |
Material - Ball | Ceramic |
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 | High Capacity Basic Design |
Long Description | 25MM Bore; 52MM Outside Diameter; 15MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearing; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Ra |
UNSPSC | 31171531 |
Harmonized Tariff Code | 8482.10.50.28 |
Noun | Bearing |
Keyword String | Ball Angular Contact |
Manufacturer Item Number | 7205 CD/HCP4A |
Weight / LBS | 0.262 |
Outside Diameter | 2.047 Inch | 52 Millimeter |
Width | 0.591 Inch | 15 Millimeter |
Bore | 0.984 Inch | 25 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 | 38000 r/min |
Attainable speed for oil-air lubrication | 53000 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 | 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 | 0.11 kg |