NTN RE3421 Bearings for special applications
NTN RE3421 Bearings for special applications Needs Analysis 0.29 kg Weight , Bearings for special applications Manufacturing US201-08G2 Designation of bearing Service . Get BEARINGS (UK) LTD. Your Free.
What is RE3421 bearing interchange？
| Brand Name: |
NTN |
| Model Number: |
RE3421 |
| Bearing number: |
7228BDB |
| Size (mm): |
140x250x42 |
| Bore Diameter (mm): |
140 |
| Outer Diameter (mm): |
250 |
| Width (mm): |
42 |
| d: |
140 mm |
| D: |
250 mm |
| B: |
42 mm |
| PDF |
RE3421 |
Product Details
| Bearing number |
7228BDB |
| Size (mm) |
140x250x42 |
| Bore Diameter (mm) |
140 |
| Outer Diameter (mm) |
250 |
| Width (mm) |
42 |
| d |
140 mm |
| D |
250 mm |
| B |
42 mm |
| C |
42 mm |
| Angle (α) |
40 ° |
| a |
60.8 mm |
| r min. |
3 mm |
| r1 min. |
1.1 mm |
| 2B |
84 mm |
| da min. |
147 mm |
| Da max. |
243 mm |
| ra max. |
1 mm |
| Weight |
8.78 Kg |
| Basic dynamic load rating (C) |
320 kN |
| Basic static load rating (C0) |
425 kN |
| (Grease) Lubrication Speed |
1600 r/min |
| Bore Type |
Cylindrical Bore |
| Enclosure |
Open |
| Configuration |
Duplex |
| Bore Size |
140 mm |
| Outside Diameter |
250 mm |
| Width |
42 mm |
| Fillet Radius/Chamfer |
3 mm |
| r1 |
1.1 mm |
| Dynamic Load Rating |
320,000 N |
| Static Load Rating |
425,000 N |
| Limiting Speed - Grease |
1,600 rpm |
| Limiting Speed - Oil |
2,200 rpm |
| da1 (min) |
154 mm |
| da2 (min) |
147 mm |
| Da1 (max) |
236 mm |
| Da2 (max) |
243 mm |
| ra (max) |
2.5 mm |
| ra1 (max) |
1 mm |