21304CDE4 NSK 20x52x15mm yobi 21304CDE4 Spherical roller bearings
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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