21308EAE4 NSK 40x90x23mm Rolling Element Spherical Roller Bearing Spherical roller bearings
| Bearing number | 21308EAE4 |
| Size (mm) | 40x90x23 |
| Brand | NSK |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 23 |
| d | 40 mm |
| D | 90 mm |
| B | 23 mm |
| C | 23 mm |
| r min. | 1.5 mm |
| da min. | 49 mm |
| da max | 54 mm |
| Da min | 75 mm |
| Da max. | 81 mm |
| ra max. | 1.5 mm |
| Weight | 0.73 Kg |
| Basic dynamic load rating (C) | 94.5 kN |
| Basic static load rating (C0) | 111 kN |
| (Grease) Lubrication Speed | 5300 r/min |
| (Oil) Lubrication Speed | 7000 r/min |
| Calculation factor (e) | 0.25 |
| Calculation factor (Y0) | 2.6 |
| Calculation factor (Y2) | 3.9 |
| Category | Spherical Roller Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | NSK |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.74 |
| EAN | 0029176624261 |
| Product Group – BDI | B04311 |
| Internal Clearance | C0-Medium |
| Mounting Method | Shaft Mount |
| Rolling Element | Spherical Roller Bearing |
| Bore Profile | Straight |
| Cage Material | Steel |
| Enclosure | Open |
| Number of Rows of Rollers | Double Row |
| Relubricatable | Yes |
| Withdrawal Sleeve | Not Applicable |
| Inch – Metric | Metric |
| Long Description | 40MM Straight Bore; 90MM Outside Diameter; 23MM Width; C0-Medium Clearance; Shaft Mount; Double Row of Spherical Roller Bearings; Steel Cage Material; Open Enclosure; Relubricatable |
| Category – BDI | Spherical Roller Bearing |
| UNSPSC | 31171510 |
| Harmonized Tariff Code | 84823080 |
| Noun | Bearing |
| Keyword String | Spherical |
| Manufacturer URL | http://www.nskamericas.com |
| Manufacturer Item Number | 21308EAE4 |
| Weight / LBS | 0.74 |
| Adapter Part Number | Not Applicable Inch | Not Applicable Millimeter |
| Bore | 1.575 Inch | 40 Millimeter |
| Outside Diameter | 3.543 Inch | 90 Millimeter |
| Width | 0.906 Inch | 23 Millimeter |
| Y3 | 2.7 |
| hidYobi | 21308EAE4 |
| LangID | 1 |
| Y1 | 2.7 |
| D_ | 90 |
| Y2 | 3.9 |
| Macha rpm | 11000 |
| B_ | 23 |
| CAD | https://service.web2cad.co.jp/pcom/maker_login.php?Maker=NSK_RB&language=ja&info=nsk_rb/roller_bearings/spherical_rb/cylindrical_bore_asmtab.prj&varset={STAN=HPS}.{ORDER=21308EAE4}.{SD=40}.{D=90}.{B=23.0}.{R=1.5}.{CR1=118000}.{COR1=111000}.{LT=6700}.{LM=11000}.{LG=6000}.{LO=7500}.{DA1=49}.{DA2=54.000}.{DA3=81}.{DA4=75}.{RA=1.5}.{E=0.25}.{Y2=3.9}.{Y3=2.7}.{Y0=2.6}.{MASS=0.73} |
| da min | 49 |
| hidTable | ecat_NSSPHR |
| Oil rpm | 7500 |
| Y0 | 2.6 |
| mass | 0.73 |
| GRS rpm | 6000 |
| ra | 1.5 |
| TSR rpm | 6700 |
| C0 | 111 |
| DE_ | 76.9 |
| X0 | 1 |
| Prod_Type3 | SRB_CTB_CB |
| X1 | 1 |
| X2 | 0.67 |
| SIR | 8.91 |
| e | 0.25 |
| DA_ | 10.35 |
| bomp | 21308EAE4 |
| Z_ | 18 |
| ALP2 | 38 |
| ALP1 | 9 |
| ALP3 | 0 |
| D_a max | 81 |
| D_a min | 75 |
| yobi | 21308EAE4 |
| HPS | HPS |
| ALPHA_ | 0.168 |
| SDM_ | 66.696 |
| r | 1.5 |
| KBRG | 2328 |
| SBRG | 3 |
| DI_ | 56.492 |
| calcUrl | /BearingGuide/html/calculation.jsp |
Detailed Parameters
parameter：
| 54310 Thrust ball bearings | Brand:NKE ，Width :64.7mm ，Outer Diameter :95mm ，d:40 mm ，Size :40x95x64.7mm ，Bore Diameter :40mm |
| NRT 850 A Thrust roller bearings | Size :850x1095x124mm ，Width :124mm ，Brand:SKF ，d:850 mm ，Bore Diameter :850mm ，Outer Diameter :1095mm |
| 4304 Deep groove ball bearings | Width :21mm ，Size :20x52x21mm ，d:20 mm ，Outer Diameter :52mm ，Brand:FBJ ，Bore Diameter :20mm |
| VEX 60 7CE1 Angular contact ball bearings | Outer Diameter :95mm ，d:60 mm ，Size :60x95x18mm ，Bore Diameter :60mm ，Width :18mm ，Brand:SNFA |
| 95BER29HV1V Angular contact ball bearings | Width :22mm ，Outer Diameter :130mm ，Bore Diameter :95mm ，Brand:NSK ，Size :95x130x22mm |
| NA4919 Needle roller bearings | Size :95x130x35mm ，Bore Diameter :95mm ，Brand:CRAFT ，Outer Diameter :130mm |
| 24028MBW33 Spherical roller bearings | Brand:AST ，Outer Diameter :210mm ，Bore Diameter :140mm ，Size :140x210x69mm |
| F-203740 Cylindrical roller bearings | Bore Diameter :25mm ，Brand:INA ，Outer Diameter :54mm ，Size :25x54x21mm ，Width :21mm |
| RMS20 Deep groove ball bearings | Brand:CYSD ，Outer Diameter :139.5mm ，Size :63.5x139.5x31.75mm ，Bore Diameter :63.5mm ，Width :31.75mm |
| 234707 MSP Thrust ball bearings | Width :34mm ，Brand:CX ，Bore Diameter :37mm ，Size :37x62x34mm ，d:37 mm ，Outer Diameter :62mm |
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