thrust ball images bearings 81172M SKF
thrust ball images bearings 81172M SKF manufacturer Pioneer Machinery Source and global 250x140x42 Size (mm) supplier of reliable ball and roller ... thrust ball images bearings 81172M SKF Industries Products Manufacturing & Engineering and Agricultural Bearings designed to meet the unique requirements of our targeted industries. 250x140x42
| Bearing number: |
NU 228 ECML |
| Size (mm): |
250x140x42 |
| Bore Diameter (mm): |
250 |
| Outer Diameter (mm): |
140 |
| Width (mm): |
42 |
| d: |
140 mm |
| D: |
250 mm |
| B: |
42 mm |
| PDF |
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Product Details
| Bearing number |
NU 228 ECML |
| Size (mm) |
250x140x42 |
| Bore Diameter (mm) |
250 |
| Outer Diameter (mm) |
140 |
| Width (mm) |
42 |
| d |
140 mm |
| D |
250 mm |
| B |
42 mm |
| D1 |
216.7 mm |
| F |
169 mm |
| r1,2 - min. |
3 mm |
| r3,4 - min. |
3 mm |
| s |
2.5 mm |
| da - min. |
154 mm |
| da - max. |
165 mm |
| db - min. |
172 mm |
| Da - max. |
235 mm |
| ra - max. |
2.5 mm |
| rb - max. |
2.5 mm |
| Basic dynamic load rating - C |
450 kN |
| Basic static load rating - C0 |
510 kN |
| Fatigue load limit - Pu |
57 kN |
| Reference speed |
2800 r/min |
| Limiting speed |
4800 r/min |
| Calculation factor - kr |
0.23 |
| Category |
Cylindrical Roller Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
9.445 |
| Product Group |
B04144 |
| Bore Profile |
Straight |
| Cage Material |
Brass |
| Precision Class |
RBEC 1 | ISO P0 |
| Number of Rows of Rollers |
Single Row |
| Separable |
Inner Ring - Both Sides |
| Rolling Element |
Cylindrical Roller Bearing |
| Profile |
Complete with Outer and Inner Ring |
| Snap Ring |
No |
| Internal Clearance |
C0-Medium |
| Retainer |
Yes |
| Relubricatable |
Yes |
| Inch - Metric |
Metric |
| Other Features |
High Capacity | Plain Inner Ring | 2 Rib Outer Ring | Cage on Outer Ring ID |
| Long Description |
140MM Bore; Straight Bore Profile; 250MM Outside Diameter; 42MM Width; Brass Cage Matetrial; RBEC 1 | ISO P0; Single Row; Inner Ring - Both Sides Separable; No Snap Ring; Relubricatable; C0-Medium Int |
| UNSPSC |
31171547 |
| Harmonized Tariff Code |
8482.50.00.00 |
| Noun |
Bearing |
| Manufacturer Item Number |
NU 228 ECML |
| Weight / LBS |
20.803 |
| Outside Diameter |
9.843 Inch | 250 Millimeter |
| Bore |
5.512 Inch | 140 Millimeter |
| Width |
1.654 Inch | 42 Millimeter |
| bore diameter: |
140 mm |
| static load capacity: |
510 kN |
| outside diameter: |
250 mm |
| maximum rpm: |
4800 rpm |
| overall width: |
42 mm |
| bearing material: |
Steel |
| flanges: |
(2) Flanges on outer Ring, Flangeless Inner Ring |
| cage material: |
Brass |
| bore type: |
Straight |
| finish/coating: |
Uncoated |
| number of rows: |
1 |
| closure type: |
Open |
| operating temperature range: |
Maximum 302 °F |
| series: |
NU |
| dynamic load capacity: |
450 kn |
| manufacturer upc number: |
7316570321777 |
| D1 ≈ |
216.7 mm |
| r1,2 min. |
3 mm |
| r3,4 min. |
3 mm |
| s max. |
2.5 mm |
| da min. |
154 mm |
| da max. |
165 mm |
| db min. |
172 mm |
| Da max. |
235 mm |
| ra max. |
2.5 mm |
| rb max. |
2.5 mm |
| Basic dynamic load rating C |
450 kN |
| Basic static load rating C0 |
510 kN |
| Fatigue load limit Pu |
57 kN |
| Calculation factor kr |
0.23 |
| Limiting value e |
0.2 |
| Axial load factor Y |
0.6 |
| Mass bearing |
9.24 kg |
Company Profile
| Worktime |
7:00AM - 6:00PM |
| Phone |
0065 82577418 |
| Fax |
0065 82577552 |