21311EAKE4 NSK 55x120x29mm C0 174 Spherical roller bearings
| Bearing number | 21311EAKE4 |
| Size (mm) | 55x120x29 |
| Brand | NSK |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 29 |
| d | 55 mm |
| D | 120 mm |
| B | 29 mm |
| C | 29 mm |
| r min. | 2 mm |
| da min. | 65 mm |
| da max | 72 mm |
| Da min | 98 mm |
| Da max. | 110 mm |
| ra max. | 2 mm |
| Weight | 1.58 Kg |
| Basic dynamic load rating (C) | 142 kN |
| Basic static load rating (C0) | 174 kN |
| (Grease) Lubrication Speed | 4300 r/min |
| (Oil) Lubrication Speed | 5300 r/min |
| Calculation factor (e) | 0.23 |
| Calculation factor (Y0) | 2.9 |
| Calculation factor (Y2) | 4.4 |
| Category | Spherical Roller Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | NSK |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 1.61 |
| EAN | 0029176410710 |
| Product Group – BDI | B04311 |
| Internal Clearance | C0-Medium |
| Mounting Method | Adapter Mount |
| Rolling Element | Spherical Roller Bearing |
| Bore Profile | Tapered |
| Cage Material | Steel |
| Enclosure | Open |
| Number of Rows of Rollers | Double Row |
| Relubricatable | Yes |
| Withdrawal Sleeve | AH311 (Specify bore) |
| Inch – Metric | Metric |
| Long Description | 55MM Tapered Bore; 120MM Outside Diameter; 29MM Width; C0-Medium Clearance; Adapter Mount; Double Row of Spherical Roller Bearings; Steel Cage Material; Open Enclosure; Relubricatable; Adapter Part Number – H311 (Specify bore) |
| Other Features | Order adapter or withdrawal sleeve or nut separately. Others may be available |
| 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 | 21311EAKE4 |
| Weight / LBS | 0 |
| Width | 1.142 Inch | 29 Millimeter |
| Adapter Part Number | SNW11 H311 HA311 HE311 (Specify Bore) Inch | H311 (Specify bore) Millimeter |
| Outside Diameter | 4.724 Inch | 120 Millimeter |
| Bore | 2.165 Inch | 55 Millimeter |
| bore diameter: | 55 mm |
| maximum rpm: | 5600 RPM |
| outside diameter: | 120 mm |
| operating temperature range: | Maximum of +200 °C |
| overall width: | 29 mm |
| cage material: | Steel |
| bore type: | Tapered 1:12 |
| 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: | 29 mm |
| dynamic load capacity: | 178000 N |
| fillet radius: | 2 mm |
| static load capacity: | 174000 N |
| series: | 213 |
| Y3 | 3 |
| hidYobi | 21311EAKE4 |
| LangID | 1 |
| Y1 | 2.9 |
| D_ | 120 |
| Y2 | 4.4 |
| Macha rpm | 8000 |
| B_ | 29 |
| CAD | https://service.web2cad.co.jp/pcom/maker_login.php?Maker=NSK_RB&language=ja&info=nsk_rb/roller_bearings/spherical_rb/tapered_bore_asmtab.prj&varset={STAN=HPS}.{ORDER=21311EAKE4}.{SD=55}.{D=120}.{B=29.0}.{R=2.0}.{CR1=178000}.{COR1=174000}.{LT=5300}.{LM=8000}.{LG=4500}.{LO=5600}.{DA1=65}.{DA2=72}.{DA3=110}.{DA4=98}.{RA=2.0}.{E=0.23}.{Y2=4.4}.{Y3=3.0}.{Y0=2.9}.{MASS=1.58} |
| da min | 65 |
| hidTable | ecat_NSSPHR |
| Oil rpm | 5600 |
| Y0 | 2.9 |
| mass | 1.58 |
| GRS rpm | 4500 |
| ra | 2 |
| TSR rpm | 5300 |
| C0 | 174 |
| DE_ | 99.856 |
| X0 | 1 |
| Prod_Type3 | SRB_CTB_TB |
| X1 | 1 |
| X2 | 0.67 |
| SIR | 10.3 |
| e | 0.23 |
| DA_ | 13.02 |
| bomp | 21311EAKE4 |
| Z_ | 19 |
| ALP2 | 38 |
| ALP1 | 8 |
| ALP3 | 0 |
| D_a max | 110 |
| D_a min | 98 |
| yobi | 21311EAKE4 |
| HPS | HPS |
| ALPHA_ | 0.151 |
| SDM_ | 86.983 |
| r | 2 |
| KBRG | 2328 |
| SBRG | 3 |
| DI_ | 74.111 |
| calcUrl | /BearingGuide/html/calculation.jsp |
Detailed Parameters
parameter：
| 7212B Angular contact ball bearings | Contact angle α:40 ° ，Mass:0.78 kg ，rs min:1.5 mm ，r1s min:1 mm |
| RASEL25-N Bearing units | A:36 mm ，Thread (Q):Rp1/8 ，Brand:INA ，Bore Diameter :25mm ，S1:20.2 mm ，d:25 mm |
| M6217 Deep groove ball bearings | Brand:KOYO ，Outer Diameter :150mm ，Size :85x150x28mm ，Bore Diameter :85mm |
| MFJL-2820L Needle roller bearings | Width :20mm ，Bore Diameter :28mm ，Brand:NSK ，Fw:28 mm ，Outer Diameter :37mm ，Size :28x37x20mm |
| 37292 Tapered roller bearings | Bore Diameter :460mm ，Size :460x650x474mm ，Outer Diameter :650mm ，Width :474mm ，Brand:KOYO |
| 6018 Deep groove ball bearings | d:90 mm ，Brand:CX ，Outer Diameter :140mm ，Bore Diameter :90mm ，Size :90x140x24mm ，Width :24mm |
| K7X10X8TN Needle roller bearings | Bore Diameter :7mm ，Ew:10 mm ，Brand:KOYO ，Outer Diameter :10mm ，Bc:8 mm ，Fw:7 mm |
| S5208-2RS Angular contact ball bearings | Brand:ZEN ，Size :40x80x30.2mm ，Outer Diameter :80mm ，Width :30.2mm ，Bore Diameter :40mm |
| 51320 Thrust ball bearings | d:100 mm ，Width :55mm ，Brand:ISB ，Bore Diameter :100mm ，Outer Diameter :170mm ，Size :100x170x55mm |
| RNA 49/82U Needle roller bearings | Fw:95 mm ，Bore Diameter :95mm ，Size :95x115x30mm ，Width :30mm ，Outer Diameter :115mm ，Brand:IKO |
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