21309EAE4 NSK X1 1 45x100x25mm Spherical roller bearings
| Bearing number | 21309EAE4 |
| Size (mm) | 45x100x25 |
| Brand | NSK |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 25 |
| d | 45 mm |
| D | 100 mm |
| B | 25 mm |
| C | 25 mm |
| r min. | 1.5 mm |
| da min. | 54 mm |
| da max | 65 mm |
| Da min | 89 mm |
| Da max. | 91 mm |
| ra max. | 1.5 mm |
| Weight | 0.96 Kg |
| Basic dynamic load rating (C) | 119 kN |
| Basic static load rating (C0) | 144 kN |
| (Grease) Lubrication Speed | 4500 r/min |
| (Oil) Lubrication Speed | 5600 r/min |
| Calculation factor (e) | 0.23 |
| Calculation factor (Y0) | 2.8 |
| Calculation factor (Y2) | 4.3 |
| Category | Spherical Roller Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | NSK |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.975 |
| EAN | 0029176410611 |
| 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 | 45MM Straight Bore; 100MM Outside Diameter; 25MM 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 | 21309EAE4 |
| Weight / LBS | 0 |
| Outside Diameter | 3.937 Inch | 100 Millimeter |
| Adapter Part Number | Not Applicable Inch | Not Applicable Millimeter |
| Width | 0.984 Inch | 25 Millimeter |
| Bore | 1.772 Inch | 45 Millimeter |
| bore diameter: | 45 mm |
| maximum rpm: | 6300 RPM |
| outside diameter: | 100 mm |
| operating temperature range: | Maximum of +200 °C |
| overall width: | 25 mm |
| cage material: | Steel |
| bore type: | Straight |
| bearing material: | Steel |
| outer ring type: | Not Split |
| cage type: | Inner Ring Guided |
| internal clearance: | C0 |
| precision rating: | RBEC 1 (ISO Class Normal) |
| closure type: | Open |
| finish/coating: | Uncoated |
| lubrication hole type: | Lubrication Groove & Hole |
| outer ring width: | 25 mm |
| dynamic load capacity: | 149000 N |
| fillet radius: | 1.5 mm |
| static load capacity: | 144000 N |
| series: | 213 |
| Y3 | 2.9 |
| hidYobi | 21309EAE4 |
| LangID | 1 |
| Y1 | 2.9 |
| D_ | 100 |
| Y2 | 4.3 |
| Macha rpm | 9000 |
| B_ | 25 |
| 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=21309EAE4}.{SD=45}.{D=100}.{B=25.0}.{R=1.5}.{CR1=149000}.{COR1=144000}.{LT=6000}.{LM=9000}.{LG=5000}.{LO=6300}.{DA1=54}.{DA2=65.000}.{DA3=91}.{DA4=89}.{RA=1.5}.{E=0.23}.{Y2=4.3}.{Y3=2.9}.{Y0=2.8}.{MASS=0.96} |
| da min | 54 |
| hidTable | ecat_NSSPHR |
| Oil rpm | 6300 |
| Y0 | 2.8 |
| mass | 0.96 |
| GRS rpm | 5000 |
| ra | 1.5 |
| TSR rpm | 6000 |
| C0 | 144 |
| DE_ | 90.316 |
| X0 | 1 |
| Prod_Type3 | SRB_CTB_CB |
| X1 | 1 |
| X2 | 0.67 |
| SIR | 9.45 |
| e | 0.23 |
| DA_ | 11.8 |
| bomp | 21309EAE4 |
| Z_ | 19 |
| ALP2 | 50 |
| ALP1 | 8 |
| ALP3 | 0 |
| D_a max | 91 |
| D_a min | 89 |
| yobi | 21309EAE4 |
| HPS | HPS |
| ALPHA_ | 0.154 |
| SDM_ | 78.656 |
| r | 1.5 |
| KBRG | 2328 |
| SBRG | 3 |
| DI_ | 66.996 |
| calcUrl | /BearingGuide/html/calculation.jsp |
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Detailed Parameters
parameter：
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