Product Details

NNU4944 KOYO Double-row cylindrical roller bearings

Brand Name KOYO
Model Number NNU4944
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

r1,2 min.1 mm
d25 mm
D60 mm
Reference speed2800 r/min
D245 mm
rb max.0.3 mm
H146 mm
Minimum load factor A0.026
Mass bearing (including seat washer where applicable)0.58 kg
D1 ≈32 mm
R50 mm
H41.3 mm
Basic static load rating C065.5 kN
Fatigue load limit Pu2.4 kN
Limiting speed3800 r/min
Basic dynamic load rating C35.8 kN
D362 mm
Da max.45 mm
ra max.1 mm
da30 mm

Ready to Ship Four-Row Cylindrical Roller Bearings

No.BrandDBCdCrC0FwEw
NNU4944KOYO300 mm80 mm561 kN220 mm7011220 kN244 mm-
NNU4944C3NTN - - - - - - - -
NNU4944-S-M-SPFAG BEARING - - - - - - - -
NNU4944-S-K-M-SPFAG BEARING - - - - - - - -
NNU4944MC3NSK11.811 Inch | 300 Millimeter3.15 Inch | 80 Millimeter - 8.661 Inch | 220 Millimeter - - - -
NNU4944K VISO300 mm80 mm80 mm220 mm - - - -
NNU4944K/W33CYSD300 mm80 mm80 mm220 mm - - 245 mm -
NNU4944KC1NAP4NTN300 mm80 mm80 mm220 mm - - - -
NNU4944KC1NAP5NTN300 mm80 mm80 mm220 mm - - - -
NNU4944 VISO300 mm80 mm80 mm220 mm - - - -
NNU4944/W33CYSD300 mm80 mm80 mm220 mm - - 245 mm -

 

120FC82575B KOYO Four-row cylindrical roller bearingsgroove/plug type:None; standards met:ASTM B438-73 Grade 1; sleeve bearing type:Plain Sleeve; overall length:2-1/4 in; bearing material:Oil-Impregnated Sint; operating temperature range:Maximum of +250; maximum v value:1200 fp/min; D:1-1/2 in; material specification:SAE 841; d:1-1
118FC8259 KOYO Four-row cylindrical roller bearingsD:42 mm; series:RNA; needle bearing type:Machined Bearing wit; dynamic load capacity:5460 lbf; operating temperature range:Maximum of +250; B:17 mm; closure type:Open; flanges:With Flanges; maximum rpm:15000 RPM; standards met:DIN 617, ISO 1206, I; precision rating:Not Rated; static load capaci
120FC87540A KOYO Four-row cylindrical roller bearingsD:8mm; d:5mm; Seals or Shields:Open Type; Availability:In Stock; Weight:0.20 KGS; B:2mm; SKU:smr85-zen; Clearance:Standard; Cage Type:Steel;
114FC81594A KOYO Four-row cylindrical roller bearingsmisalignment tolerance:0.020 in; continuous temperature range:-22 to 400°F; lip material:Labyrinth; width:0.7500 in; maximum shaft surface speed:4500 fpm; harmonization code:3926904590.US; typical application:Exceptional Bearing; Weight:0.29 lb; shaft diameter:2.7500 in; pressure tolerance:Ambie
120FC82575C KOYO Four-row cylindrical roller bearingsstandards met:RoHS; B:100 mm; operating temperature range:-200 to +392 &d; material:Glitron F; maximum pv value:1.0 N/mm²; maximum v value:1.65 m/s; maximum p value:7 N/mm²; overall length:5000 mm; wear product type:Skiving Sheet; thickness:0.3 mm; additional details:Le
112FC826 KOYO Four-row cylindrical roller bearingslubrication type:Lubrication Fitting; overall length:6.5625 in; locking device:Set Screw; manufacturer catalog:Click here; bore type:Round; bolt size:1/2 in; base width:1.8750 in; series:SSUCP; manufacturer upc number:8865590298266; overall height:3.6563 in; expansion type:Non-Expansion Bearin;
120FC8764 KOYO Four-row cylindrical roller bearingsrace material:Brass; thread type:UNF-3A; shank thread length:1.3750 in; series:Heim®; lubrication type:Lubricatable; head width:0.4370 in; manufacturer product page:Click here; ball width:0.5620 in; grade:Precision; shank thread size:7/16-20; head diameter:1.1250 in; Weight:0.17 lbs; d:0.43
114FC81594 KOYO Four-row cylindrical roller bearingsfinish/coating:Uncoated; d:1.0000 in; B:4.7500 in; operating temperature range:Max 220°; housing width:1.0938 in; inner ring width:1.3750 in; housing material:Cast Iron; mounting type:Three-Bolt Flange; manufacturer catalog number:700241; bearing material:52100 Steel/Bla; series:FB; seal ty
112FC806 KOYO Four-row cylindrical roller bearingsharmonization code:8483.30.8055; shank thread length:0.7500 in; series:SW; thread type:UNF-3B; housing material:17-4 PH Stainless St; shank thread size:5/16-24; ball width:0.4370 in; radial static load capacity:5929 lbf; grade:Precision; head diameter:0.8750 in; race material:Stainless Steel; b
114FC80514A KOYO Four-row cylindrical roller bearingsD:4.3307 in; cup width:0.7411 in; manufacturer product page:Click here; single or double cup:Single Cup; material:Case Carburized Stee; finish/coating:Uncoated; manufacturer upc number:4547359532784; fillet radius:0.05 in; lubrication hole type:No Hole;
4CR6 KOYO Four-row cylindrical roller bearingshousing material:Ductile Iron; seal type:Triple Lip; d:1-1/4 in; bearing type:Tapered Roller; locking device:Set Screw; duty type:Standard Duty; lubrication type:Lubrication Fitting; radial static load capacity:15760 lb; B:5.2500 in; manufacturer catalog number:023234; overall height:5-1/4
120FC856 KOYO Four-row cylindrical roller bearingscompatible bore diameter:220 mm; ring inside diameter:220 mm; sealing type:Externally Sealing; material:Galvanized Steel; ring type:AV; compatible bearing type:Deep Groove Ball; manufacturer product page:Click here; ring thickness:0.5 mm; ring outside diameter:314 mm; compatible bearing outside diam

 

 

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