NTN 24128EAK30W33 Roller Bearings
| Bearing number: |
7224 CD/HCP4A |
| Size (mm): |
215x120x40 |
| Bore Diameter (mm): |
215 |
| Outer Diameter (mm): |
120 |
| Width (mm): |
40 |
| d: |
120 mm |
| D: |
215 mm |
| B: |
40 mm |
| PDF |
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Product Details
| Bearing number |
7224 CD/HCP4A |
| Size (mm) |
215x120x40 |
| Bore Diameter (mm) |
215 |
| Outer Diameter (mm) |
120 |
| Width (mm) |
40 |
| d |
120 mm |
| D |
215 mm |
| B |
40 mm |
| d1 |
150.3 mm |
| d2 |
150.3 mm |
| D1 |
186.7 mm |
| r1,2 - min. |
2.1 mm |
| r3,4 - min. |
1.1 mm |
| a |
42.7 mm |
| da - min. |
132 mm |
| db - min. |
132 mm |
| Da - max. |
203 mm |
| Db - max. |
208 mm |
| ra - max. |
2 mm |
| rb - max. |
1 mm |
| dn |
158.2 mm |
| Basic dynamic load rating - C |
199 kN |
| Basic static load rating - C0 |
193 kN |
| Fatigue load limit - Pu |
6.3 kN |
| Limiting speed for grease lubrication |
8000 r/min |
| Limiting speed for oil lubrication |
12000 mm/min |
| Ball - Dw |
30.162 mm |
| Ball - z |
15 |
| Gref |
69.084 cm3 |
| Calculation factor - f0 |
14.6 |
| Preload class A - GA |
750 N |
| Preload class B - GB |
1500 N |
| Preload class C - GC |
3000 N |
| Preload class D - GD |
6000 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 |
154 N/micron |
| Preload class B |
209 N/micron |
| Preload class C |
289 N/micron |
| Preload class D |
414 N/micron |
| Category |
Precision Ball Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
4.6 |
| 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 | Super Precision | High Capacity | Hybrid | Corrosion Resistant Ball |
| Long Description |
120MM Bore; 215MM Outside Diameter; 40MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearings; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring |
| UNSPSC |
31171531 |
| Harmonized Tariff Code |
8482.10.50.28 |
| Noun |
Bearing |
| Keyword String |
Angular Contact Ball |
| Manufacturer Item Number |
7224 CD/HCP4A |
| Weight / LBS |
10.121 |
| Outside Diameter |
8.465 Inch | 215 Millimeter |
| Bore |
4.724 Inch | 120 Millimeter |
| Width |
1.575 Inch | 40 Millimeter |
| r1,2 min. |
2.1 mm |
| r3,4 min. |
1.1 mm |
| da min. |
132 mm |
| db min. |
132 mm |
| Da max. |
203 mm |
| Db max. |
208 mm |
| ra max. |
2 mm |
| rb max. |
1 mm |
| Basic dynamic load rating C |
199 kN |
| Basic static load rating C0 |
193 kN |
| Fatigue load limit Pu |
6.3 kN |
| Attainable speed for grease lubrication |
8000 r/min |
| Attainable speed for oil-air lubrication |
12000 r/min |
| Ball diameter Dw |
30.162 mm |
| Number of balls z |
15 |
| Reference grease quantity Gref |
69.084 cm³ |
| Preload class A GA |
750 N |
| Static axial stiffness, preload class A |
154 N/µm |
| Preload class B GB |
1500 N |
| Static axial stiffness, preload class B |
209 N/µm |
| Preload class C GC |
3000 N |
| Static axial stiffness, preload class C |
289 N/µm |
| Preload class D GD |
6000 N |
| Static axial stiffness, preload class D |
414 N/µm |
| Calculation factor f |
1.08 |
| 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 |
14.6 |
| Mass bearing |
4.41 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |