21308EAKE4 NSK SIR 8.91 40x90x23mm Spherical roller bearings
Bearing number | 21308EAKE4 |
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 | Roller Bearings |
BDI Inventory | 0.0 |
Manufacturer Name | NSK |
Minimum Buy Quantity | N/A |
Weight / Kilogram | 0.75 |
EAN | 0029176630910 |
Product Group – BDI | B04311 |
Y3 | 2.7 |
hidYobi | 21308EAKE4 |
LangID | 1 |
Y1 | 2.6 |
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/tapered_bore_asmtab.prj&varset={STAN=HPS}.{ORDER=21308EAKE4}.{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}.{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_TB |
X1 | 1 |
X2 | 0.67 |
SIR | 8.91 |
e | 0.25 |
DA_ | 10.35 |
bomp | 21308EAKE4 |
Z_ | 18 |
ALP2 | 38 |
ALP1 | 9 |
ALP3 | 0 |
D_a max | 81 |
D_a min | 75 |
yobi | 21308EAKE4 |
HPS | HPS |
ALPHA_ | 0.168 |
SDM_ | 66.696 |
r | 1.5 |
KBRG | 2328 |
SBRG | 3 |
DI_ | 56.492 |
calcUrl | /BearingGuide/html/calculation.jsp |
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Detailed Parameters
parameter:
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