21304CDE4 NSK 20x52x15mm yobi 21304CDE4 Spherical roller bearings

21304CDE4 NSK 20x52x15mm yobi 21304CDE4 Spherical roller bearings pdf

Bearing number	21304CDE4
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
Category	Spherical Roller Bearings
BDI Inventory	0.0
Manufacturer Name	NSK
Minimum Buy Quantity	N/A
Weight / Kilogram	0.08
EAN	0029176027185
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	20MM Straight Bore; 52MM Outside Diameter; 15MM 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	21304CDE4
Weight / LBS	0.17
Outside Diameter	2.047 Inch \| 52 Millimeter
Bore	0.787 Inch \| 20 Millimeter
Width	0.591 Inch \| 15 Millimeter
Adapter Part Number	Not Applicable Inch \| Not Applicable Millimeter
bore diameter:	20 mm
maximum rpm:	8200 RPM
outside diameter:	52 mm
operating temperature range:	Maximum of +200 °C
overall width:	15 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:	15 mm
dynamic load capacity:	29300 N
fillet radius:	1.1 mm
static load capacity:	26900 N
series:	213
Y3	2.1
hidYobi	21304CDE4
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/cylindrical_bore_asmtab.prj&varset={STAN=-}.{ORDER=21304CDE4}.{SD=20}.{D=52}.{B=15.0}.{R=1.1}.{CR1=29300}.{COR1=26900}.{LT=10000}.{LM=-}.{LG=6300}.{LO=8200}.{DA1=27}.{DA2=28.000}.{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_CB
X1	1
X2	0.67
SIR	4.5
e	0.31
DA_	7
bomp	21304CDE4
Z_	13
ALP2	50
ALP1	11
ALP3	0
D_a max	45
D_a min	42
yobi	21304CDE4
ALPHA_	0.207
SDM_	36.214
r	1.1
KBRG	2321
SBRG	3
DI_	29.362
calcUrl	/BearingGuide/html/calculation.jsp

Detailed Parameters

parameter：

7319BG Angular contact ball bearings	a:84.5 mm ，Contact angle α:40 ° ，r1s min:1.1 mm ，rs min:3 mm ，Mass:6 kg ，Radial clearance class:CN
239/800 CW33 Spherical roller bearings	Outer Diameter :1060mm ，Width :195mm ，Size :800x1060x195mm ，Bore Diameter :800mm ，Brand:CX
NK45X54.5X12 Needle roller bearings	Fw:45.000 mm ，Brand:NTN ，Width :12.000mm ，Size :45x54.500x12mm ，Outer Diameter :54.500mm ，Bore Diameter :45.000mm
EGB3550-E50 Plain bearings	Size :35x39x50mm ，Outer Diameter :39mm ，Brand:INA ，Bore Diameter :35mm
2218-K Self aligning ball bearings	Brand:NKE ，Size :90x160x40mm ，Width :40mm ，Bore Diameter :90mm ，Outer Diameter :160mm
BTM3021A Needle roller bearings	Bore Diameter :30mm ，Size :30x38x21mm ，Outer Diameter :38mm ，Brand:KOYO
TSM 5 Plain bearings	Outer Diameter :13mm ，Width :8mm ，Brand:ISB ，d:5 mm ，Size :5x13x8mm ，Bore Diameter :5mm
SAPFL203 Bearing units	Brand:KOYO ，d:17 mm ，Width :28.5mm ，Bore Diameter :17mm ，A:14 mm
IJ123038 Angular contact ball bearings	I:40.46 mm ，F:142 mm ，P:106 mm ，E:66.87 mm ，Brand:ILJIN
BT4B 332668/HA1 Tapered roller bearings	Outer Diameter :323.452mm ，Width :414.338mm ，Size :447.675x323.452x414.338mm ，Bore Diameter :447.675mm ，Brand:SKF

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