N205-E-G15 SNR/NTN Single Row Cylindrical Roller Bearing 25x52x15mm
NTN N Design metric single row cylindrical roller bearing with steel cage 25mm inside x 52mm outside x 15mm wide
$34.00 exc.VAT
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NTN N DesignThe inner ring of an N design bearing has two integral flanges while the outer ring has no flanges. Axial displacement of the shaft with respect to the housing can be accommodated in both directions. PRODUCT DEFINITION Brand SNR/NTN d - Internal diameter... Read full description ↓ Show less ↑
NTN N Design
The inner ring of an N design bearing has two integral flanges while the outer ring has no flanges. Axial displacement of the shaft with respect to the housing can be accommodated in both directions.
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR/NTN |
| d - Internal diameter | 25 mm |
| D - External diameter | 52 mm |
| B - Bearing/Inner ring width | 15 mm |
| E - Upper roller diameter | 46,5 mm |
| F - Under roller diameter | 31,5 mm |
| d1 - IR flange outer diameter | 34,7 mm |
| rs - Min fillet radius | 1 mm |
| r1s - Min fillet radius | 0,6 mm |
| Radial clearance class | CN |
| Mass | 0,135 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 28,5 kN |
| C0 - Static load | 26,7 kN |
| Cu - Fatigue limit load | 3,25 kN |
| N ref - Reference thermal speed | 12000 tr/min |
| N lim - Mechanical Limit Speed | 17000 tr/min |
| N lim - Oil lubrication limit speed | 14000 tr/min |
| N lim - Grease lubrication limit speed | 11000 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Over rolling frequency on outer ring (60 rpm) | 5,25 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 7,75 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,008 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,504 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,404 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 30 mm |
| Da max - Max shoulder diameter OR | 48 mm |
| Db min - Small face shoulder min diameter | 47 mm |
| Dc max - Max outer ring GO diameter | 44 mm |
| ra max - Max fillet radius | 1 mm |
| r1a - Max fillet radius | 0,6 mm |
