Single row cylindrical roller bearing with snap ring, separable, locating, polyamide 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 | SNR |
| d - Internal diameter | 45 mm |
| D - External diameter | 85 mm |
| B - Bearing/Inner ring width | 19 mm |
| E - Upper roller diameter | 76,5 mm |
| F - Under roller diameter | 54,5 mm |
| d1 - IR flange outer diameter | 59 mm |
| D1 - OR flange inner diameter | 73,3 mm |
| a min - Min position Groove | 3,07 mm |
| a max - Max position groove | 3,28 mm |
| Ca min - Mini segment position | 4,67 mm |
| Ca max - Max segment position | 4,98 mm |
| rNs - Min fillet radius | 0,6 mm |
| D3 - Max bottom groove diameter | 81,81 mm |
| b min - Min groove width | 1,9 mm |
| b max - Max groove width | 2,2 mm |
| r0 max - Max bottom groove radius | 0,6 mm |
| D4 max - Max outer diameter of assembled stop ring | 91,6 mm |
| f - Stop ring thickness | 1,65 mm |
| Snap ring reference | R85 |
| rs - Min fillet radius | 1,1 mm |
| r1s - Min fillet radius | 1,1 mm |
| Radial clearance class | C3 |
| Mass | 0,457 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 64,8 kN |
| C0 - Static load | 68,9 kN |
| Cu - Fatigue limit load | 8,4 kN |
| N ref - Reference thermal speed | 6900 tr/min |
| N lim - Mechanical Limit Speed | 9900 tr/min |
| N lim - Oil lubrication limit speed | 8100 tr/min |
| N lim - Grease lubrication limit speed | 6700 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) | 6,24 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 8,76 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,787 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,894 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,416 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 51,5 mm |
| dc min - Min inner ring GO diameter | 61 mm |
| Da max - Max shoulder diameter OR | 78,5 mm |
| DbN min - Min diameter of the snap ring slot | 93 mm |
| ra max - Max fillet radius | 1 mm |
| r1a - Max fillet radius | 1 mm |
| rNa max - Max fillet radius on segment side | 0,6 mm |
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