21304CDKE4 NSK e 0.31 20x52x15mm Spherical roller bearings

Bearing number	21304CDKE4
Size (mm)	20x52x15
Brand	NSK
Bore Diameter (mm)	20
Outer Diameter (mm)	52
Width (mm)	15
d	20 mm
D	52 mm
B	15 mm
C	15 mm
r min.	1.1 mm
da min.	27 mm
da max	28 mm
Da min	42 mm
Da max.	45 mm
ra max.	1 mm
Weight	0.17 Kg
Basic dynamic load rating (C)	29.3 kN
Basic static load rating (C0)	26.9 kN
(Grease) Lubrication Speed	6300 r/min
(Oil) Lubrication Speed	8200 r/min
Calculation factor (e)	0.31
Calculation factor (Y0)	2.1
Calculation factor (Y2)	3.2
Y3	2.1
hidYobi	21304CDKE4
LangID	1
Y1	2.1
D_	52
Y2	3.2
Macha rpm	0
B_	15
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=-}.{ORDER=21304CDKE4}.{SD=20}.{D=52}.{B=15.0}.{R=1.1}.{CR1=29300}.{COR1=26900}.{LT=10000}.{LM=-}.{LG=6300}.{LO=8200}.{DA1=27}.{DA2=28}.{DA3=45}.{DA4=42}.{RA=1.0}.{E=0.31}.{Y2=3.2}.{Y3=2.1}.{Y0=2.1}.{MASS=0.17}
da min	27
hidTable	ecat_NSSPHR
Oil rpm	8200
Y0	2.1
mass	0.17
GRS rpm	6300
ra	1
TSR rpm	10000
C0	26.9
DE_	43.065
X0	1
Prod_Type3	SRB_CTB_TB
X1	1
X2	0.67
SIR	4.5
e	0.31
DA_	7
bomp	21304CDKE4
Z_	13
ALP2	50
ALP1	11
ALP3	0
D_a max	45
D_a min	42
yobi	21304CDKE4
ALPHA_	0.207
SDM_	36.214
r	1.1
KBRG	2321
SBRG	3
DI_	29.362
calcUrl	/BearingGuide/html/calculation.jsp

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Detailed Parameters

parameter：

LL352149/LL352110 Tapered roller bearings	Brand:Timken ，Bore Diameter :279.4mm ，Size :279.4x317.5x24.384mm ，Outer Diameter :317.5mm
23056 CW33 Spherical roller bearings	Width :106mm ，Size :280x420x106mm ，Outer Diameter :420mm ，Bore Diameter :280mm ，Brand:CX ，d:280 mm
K20x26x20 Needle roller bearings	Brand:ISO ，Outer Diameter :26mm ，Size :20x26x20mm ，Bore Diameter :20mm
HJ-8811240 Needle roller bearings	Size :139.7x177.8x63.5mm ，Fw:139.7 mm ，Brand:Timken ，Outer Diameter :177.8mm ，Width :63.5mm ，Bore Diameter :139.7mm
R173.13 Wheel bearings	Designation SKF:VKBA 1961 ，Designation Ruville:7313 ，Designation FAG:713619260 ，Brand:SNR ，Designation SX:CX370
SA1021 Angular contact ball bearings	Size :40x90x23.1mm ，Brand:FAG ，Bore Diameter :40mm ，d:40 mm ，Width :23.1mm ，Outer Diameter :90mm
NUP2315 Cylindrical roller bearings	d:75 mm ，Size :75x160x55mm ，Outer Diameter :160mm ，Bore Diameter :75mm ，Brand:KOYO ，Width :55mm
W678AZZ Deep groove ball bearings	Outer Diameter :12.000mm ，Size :8x12x3.500mm ，Width :3.500mm ，Bore Diameter :8.000mm ，Brand:NTN
22340 CCK/W33 Spherical roller bearings	Outer Diameter :200mm ，Size :420x200x138mm ，Brand:SKF ，Bore Diameter :420mm
2RT20501 Thrust roller bearings	Size :1023x1600x192mm ，Width :192.000mm ，Outer Diameter :1600.000mm ，Bore Diameter :1023.000mm ，Brand:NTN

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