Single row cylindrical roller bearing, single direction for axial loads, separable, brass cage.
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In the cylindrical roller bearing range, the single row roller bearing withstands high radial loads. The standard ISO ranges (NU, N, NJ, NF, NUP, NH, RNU, HJ) are available with different types of cage, bore diameters, shoulder rings.
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 140 mm |
| D - External diameter | 300 mm |
| B - Bearing/Inner ring width | 62 mm |
| E - Upper roller diameter | 264 mm |
| F - Under roller diameter | 180 mm |
| d1 - IR flange outer diameter | 196,8 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 4 mm |
| Radial clearance class | CN |
| Mass | 21,3 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 665 kN |
| C0 - Static load | 795 kN |
| Cu - Fatigue limit load | 76,5 kN |
| N lim - Oil lubrication limit speed | 2400 tr/min |
| N lim - Grease lubrication limit speed | 2100 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 156 mm |
| da max - Small face shoulder max diameter | 176 mm |
| dc min - Min inner ring GO diameter | 198 mm |
| Da max - Max shoulder diameter OR | 284 mm |
| ra max - Max fillet radius | 3 mm |
