Product Details

NNU4944 KOYO Double-row cylindrical roller bearings

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

Product Features

d120 mm
Limiting speed5600 r/min
D1 ≈187.75 mm
Mass bearing9.38 kg
D215 mm
Calculation factor kr0.3
s max.3.8 mm
Da max.201.6 mm
F143.5 mm
Fatigue load limit Pu72 kN
r3,4 min.2.1 mm
Axial load factor Y0.4
Limiting value e0.3
ra max.2 mm
da max.140 mm
db min.156 mm
Basic dynamic load rating C520 kN
d1 ≈153 mm
Reference speed3400 r/min
r1,2 min.2.1 mm

Try different search NNU4944 KOYO Double-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 -

 

4CR6 KOYO Four-row cylindrical roller bearingsd:30.000 mm; Oil Speed Rating Open/Shielded n2:14000 rpm; Basic Dynamic Radial Load Rating C:15600 N; Fillet Radius ra:1.00 mm; D:62.0000 mm; B:10.00 mm; Grease Speed Rating Open/Shielded n1:11000 rpm; Basic Static Radial Load Rating Co:9300 N;
130FC92670A KOYO Four-row cylindrical roller bearingsAccessories:Shield & Seal; B:77.80 mm; Basic Static Radial Load Rating Co:224000 N; Grease Speed Rating n1:1900 rpm; D:200.0000 mm; Oil Speed Rating n2:2800 rpm; Sealed Speed Rating n3:1900 rpm; Fillet Radius ra:2.50 mm; d:95.000 mm; Basic Dynamic Radial Load Rating C:234000 N;
120FC82575C KOYO Four-row cylindrical roller bearingsGrease Speed Rating Open/Shielded n1:6300 rpm; D:100.0000 mm; B:21.00 mm; Fillet Radius ra:1.50 mm; d:55.000 mm; Oil Speed Rating Open/Shielded n2:7500 rpm; Grease Speed Rating n1:6300 rpm; Accessories:Without Accessories; Basic Static Radial Load Rating Co:29000 N; Basic Dynamic Radial Load Rating
126FC8036 KOYO Four-row cylindrical roller bearingsFillet Radius ra:3.00 mm; Oil Speed Rating n2:1600 rpm; Fillet Radius rb:1.00 mm; Basic Dynamic Radial Load Rating C:637000 N; D:360.0000 mm; B:116.00 mm; Grease Speed Rating n1:1300 rpm; d:200.000 mm; Basic Static Radial Load Rating Co:1080000 N;
118FC8259 KOYO Four-row cylindrical roller bearingsB:455.612 mm; Mass bearing:545 kg; D1 ≈:669 mm; d1 ≈:604 mm; Calculation factor Y1:2; Thrust factor K:1.76; Design variant/feature:TQO/WIY; Basic dynamic load rating C:8420 kN; Comparative radial load rating CF:2240 kN; D:736.6 mm; r1,2 min.:3.3 mm; Calculation factor Y2:3; d:558.8 mm; F
130FC9267 KOYO Four-row cylindrical roller bearingsB:22.00 mm; Sealed Speed Rating n3:3200 rpm; Accessories:Two Seals; Basic Dynamic Radial Load Rating C:50700 N; D:125.0000 mm; Fillet Radius ra:1.00 mm; Basic Static Radial Load Rating Co:41500 N; Oil Speed Rating Open/Shielded n2:6300 rpm; d:80.000 mm; Grease Speed Rating Open/Shielded n1:5300 rpm;
122FC8766 KOYO Four-row cylindrical roller bearingsOil Speed Rating Open/Shielded n2:9000 rpm; Grease Speed Rating Open/Shielded n1:7500 rpm; Basic Dynamic Radial Load Rating C:28100 N; B:18.00 mm; d:55.000 mm; Fillet Radius ra:1.00 mm; Basic Static Radial Load Rating Co:21600 N; Accessories:Shield & Seal; D:90.0000 mm; Sealed Speed Rating n3:4500 r
120FC856 KOYO Four-row cylindrical roller bearingsHousing:SAF 511; R1:34.131 mm; End plug (suffix Y):EPR 5; H2:23.813 mm; H1:69.85 mm; P150°:15.6 kN; Stabilizing ring:SR-11-0; A2:171.45 mm; PG:1/8 NPT; P60°:44.9 kN; Cap bolt recommended tightening torque:81.3 N·m; Initial grease fill:39.69 g; Max. speed for Taconite seal:1575 r/min;
120FC87540A KOYO Four-row cylindrical roller bearingsA:58.737 mm; J min.:150.813 mm; S:0.794 mm; H2:34.925 mm; Mass bearing unit:4.15 kg; Basic dynamic load rating C:84.5 kN; Attachment bolt diameter G:15.875 mm; Limiting speed:1450 r/min; s:25.4 mm; L:212.725 mm; d2:73.819 mm; B:73.025 mm; H1:57.15 mm; A1:77.787 mm; H:117.872 mm; J max.:174.625 mm; d
130FC9269 KOYO Four-row cylindrical roller bearingsB2:38.5 mm; Mass angle ring:5 kg; d1 ≈:311.8 mm; d:240 mm; r3,4 min.:4 mm; B1:22.5 mm;
4CR600A KOYO Four-row cylindrical roller bearingsh:25 mm; d1:1145 mm; b:60 mm; Associated eyebolt for handling:M 16; d3:1200 mm; Mass lock nut:190 kg; B5:125 mm; B:100 mm; d2:1100 mm; G:Tr 1060x8;
122FC8557 KOYO Four-row cylindrical roller bearingsBasic static load rating C0:2750 kN; Fatigue load limit Pu:208 kN; Basic dynamic load rating C:968 kN; Design variant/feature:NNU/W33; r3,4 min.:2.1 mm; r1,2 min.:2.1 mm; db min.:436 mm; Da max.:489 mm; Limiting speed:1200 r/min; b:16.7 mm; Mass bearing:46 kg; Reference speed:1100 r/min; K:9 mm; da
128FC886 KOYO Four-row cylindrical roller bearingsFillet Radius rb:1.00 mm; Oil Speed Rating n2:3800 rpm; D:160.0000 mm; d:75.000 mm; Grease Speed Rating n1:2800 rpm; Fillet Radius ra:2.00 mm; B:74.00 mm; Basic Static Radial Load Rating Co:200000 N; Basic Dynamic Radial Load Rating C:208000 N;
120FC82575B KOYO Four-row cylindrical roller bearingsr1,2 min.:3 mm; Calculation factor Y2:2.3; K:3 mm; Calculation factor e:0.43; Db min.:161 mm; Basic static load rating C0:780 kN; r5 min.:1 mm; db min.:108.5 mm; l:14 mm; d1 ≈:128.7 mm; Calculation factor Y1:1.6; ra max.:3 mm; C:88 mm; Mass bearing pair:8.99 kg; Reference speed:2600 r/min; b:4
4CR600B KOYO Four-row cylindrical roller bearingsJ1:53.975 mm; Taconite seal:TER 33; H:167.481 mm; Stabilizing ring:2 x SR-1613; Pa:6.49 kN; Max. speed for Taconite seal:1400 r/min; Cap bolt:2 x 5/8-11 UNC; Cap bolt recommended tightening torque:298.3 N·m; N1:19.05 mm; Cap bolt, SAE grade:8; J max.:279.4 mm; H2:31.75 mm; PG:1/8 NPT; A1:88.9
120FC8764 KOYO Four-row cylindrical roller bearingsd:40.000 mm; D:90.0000 mm; Accessories:Two Seals; Sealed Speed Rating n3:5000 rpm; Basic Static Radial Load Rating Co:24000 N; Grease Speed Rating Open/Shielded n1:7500 rpm; Oil Speed Rating n2:9000 rpm; Grease Speed Rating n1:7500 rpm; Basic Dynamic Radial Load Rating C:41000 N; Oil Speed Rating Op

 

 

NNU4944 KOYO Double-row cylindrical roller bearings Video

 

Bearing NNU4944 (KOYO) | Size and Specification | Bearings

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KOYO NNU4944 Bearing | Model:NNU4944

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