21312EAE4 NSK 60x130x31mm SBRG 3 Spherical roller bearings
| Bearing number | 21312EAE4 |
| Size (mm) | 60x130x31 |
| Brand | NSK |
| Bore Diameter (mm) | 60 |
| Outer Diameter (mm) | 130 |
| Width (mm) | 31 |
| d | 60 mm |
| D | 130 mm |
| B | 31 mm |
| C | 31 mm |
| r min. | 2.1 mm |
| da min. | 72 mm |
| da max | 87 mm |
| Da min | 117 mm |
| Da max. | 118 mm |
| ra max. | 2 mm |
| Weight | 1.98 Kg |
| Basic dynamic load rating (C) | 190 kN |
| Basic static load rating (C0) | 244 kN |
| (Grease) Lubrication Speed | 3400 r/min |
| (Oil) Lubrication Speed | 4300 r/min |
| Calculation factor (e) | 0.22 |
| Calculation factor (Y0) | 3 |
| Calculation factor (Y2) | 4.5 |
| Category | Spherical Roller Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | NSK |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 2 |
| EAN | 0029176410734 |
| 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 | 60MM Straight Bore; 130MM Outside Diameter; 31MM 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 | 21312EAE4 |
| Weight / LBS | 2 |
| Adapter Part Number | Not Applicable Inch | Not Applicable Millimeter |
| Width | 1.22 Inch | 31 Millimeter |
| Bore | 2.362 Inch | 60 Millimeter |
| Outside Diameter | 5.118 Inch | 130 Millimeter |
| bore diameter: | 60 mm |
| maximum rpm: | 4800 RPM |
| outside diameter: | 130 mm |
| operating temperature range: | Maximum of +200 °C |
| overall width: | 31 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: | 31 mm |
| dynamic load capacity: | 238000 N |
| fillet radius: | 2.1 mm |
| static load capacity: | 244000 N |
| series: | 213 |
| Y3 | 3 |
| hidYobi | 21312EAE4 |
| LangID | 1 |
| Y1 | 3 |
| D_ | 130 |
| Y2 | 4.5 |
| Macha rpm | 6700 |
| B_ | 31 |
| 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=21312EAE4}.{SD=60}.{D=130}.{B=31.0}.{R=2.1}.{CR1=238000}.{COR1=244000}.{LT=4800}.{LM=6700}.{LG=3800}.{LO=4800}.{DA1=72}.{DA2=87.000}.{DA3=118}.{DA4=117}.{RA=2.0}.{E=0.22}.{Y2=4.5}.{Y3=3.0}.{Y0=3.0}.{MASS=1.98} |
| da min | 72 |
| hidTable | ecat_NSSPHR |
| Oil rpm | 4800 |
| Y0 | 3 |
| mass | 1.98 |
| GRS rpm | 3800 |
| ra | 2 |
| TSR rpm | 4800 |
| C0 | 244 |
| DE_ | 118.702 |
| X0 | 1 |
| Prod_Type3 | SRB_CTB_CB |
| X1 | 1 |
| X2 | 0.67 |
| SIR | 12.15 |
| e | 0.22 |
| DA_ | 14.9 |
| bomp | 21312EAE4 |
| Z_ | 20 |
| ALP2 | 26 |
| ALP1 | 8 |
| ALP3 | 0 |
| D_a max | 118 |
| D_a min | 117 |
| yobi | 21312EAE4 |
| HPS | HPS |
| ALPHA_ | 0.147 |
| SDM_ | 103.964 |
| r | 2.1 |
| KBRG | 2328 |
| SBRG | 3 |
| DI_ | 89.225 |
| calcUrl | /BearingGuide/html/calculation.jsp |
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Detailed Parameters
parameter：
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| 6018-Z-N Deep groove ball bearings | Bore Diameter :90mm ，Outer Diameter :140mm ，Brand:NKE ，Size :90x140x24mm ，Width :24mm |
| NU3209 Cylindrical roller bearings | Bore Diameter :45mm ，Brand:ISO ，Outer Diameter :85mm ，Width :30.2mm ，Size :45x85x30.2mm |
| 46T30211JR/41,5 Tapered roller bearings | Outer Diameter :100mm ，Brand:KOYO ，Size :55x100x51mm ，Bore Diameter :55mm |
| CRBF 8022 A Thrust roller bearings | Outer Diameter :165mm ，Brand:IKO ，Size :80x165x22mm ，Bore Diameter :80mm |
| 1107KLB Deep groove ball bearings | Bore Diameter :36.5125mm ，Outer Diameter :72mm ，Brand:Timken ，Size :36.5125x72x37.7mm |
| 6908-8-2RS Deep groove ball bearings | Bore Diameter :40mm ，Outer Diameter :64mm ，Size :40x64x12mm ，Width :12mm ，d:40 mm ，Brand:KOYO |
| 6215 NR Deep groove ball bearings | Bore Diameter :75mm ，Size :75x130x25mm ，Outer Diameter :130mm ，Width :25mm ，Brand:ISB |
| K,81211TVP Thrust roller bearings | Outer Diameter :90mm ，Bore Diameter :55mm ，d:55 mm ，Width :11mm ，Brand:KOYO ，Size :55x90x11mm |
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