Product Details

NNU493 KOYO Double-row cylindrical roller bearings

Brand Name KOYO
Model Number NNU493
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Static Load Rating (kN):15
Weight:0.02 KGS
SKU:6306ddu-nsk
Cage Type:Steel
Limiting Speed Rating (r/min):6700
Seals or Shields:Two Rubber Seals
D72mm
Availability:In Stock
Clearance:Standard
Fatigue Load Rating (kN):--
B19mm
Reference Speed Rating (r/min):--
d30mm
Dynamic Load Rating (kN):26.7

NNU493 KOYO Double-row cylindrical roller bearings cross reference by manufacturer

No.BranddDBNounWeightUNSPSCProfileRetainer
NNU4930-S-K-M-SPFAG BEARING - - - - 6.692 - - -
NNU4930-S-M-SPFAG BEARING - - - - 6.12 - - -
NNU4932-S-K-M-SPFAG BEARING - - - - 6.46 - - -
NNU4934-S-K-M-SPFAG BEARING - - - - 6.8 - - -
NNU4934-S-M-SPFAG BEARING - - - - 7.6 - - -
NNU4936-S-K-M-SPFAG BEARING - - - - 9.96 - - -
NNU4936-S-M-SPFAG BEARING - - - - 11.1 - - -
NNU4932MC3NSK6.299 Inch | 160 Millimeter8.661 Inch | 220 Millimeter2.362 Inch | 60 MillimeterBearing6.7331171547Complete with Outer and Inner RingYes
NNU4938MC3NSK7.48 Inch | 190 Millimeter10.236 Inch | 260 Millimeter2.717 Inch | 69 MillimeterBearing11.1131171547Complete with Outer and Inner RingYes
NNU4936MC3NSK7.087 Inch | 180 Millimeter9.843 Inch | 250 Millimeter2.717 Inch | 69 MillimeterBearing10.3831171547Complete with Outer and Inner RingYes
NNU4934MC3NSK6.693 Inch | 170 Millimeter9.055 Inch | 230 Millimeter2.362 Inch | 60 MillimeterBearing7.0831171547Complete with Outer and Inner RingYes

 

NNU4934 KOYO Double-row cylindrical roller bearingsClearance:Standard; d:80mm; Seals or Shields:Open Type; SKU:3216-b-tvh-fag; Dynamic Load Rating (kN):98; Fatigue Load Rating (kN):4.95; D:140mm; Limiting Speed Rating (r/min):4000; Availability:In Stock; Weight:2.45 KGS; Static Load Rating (kN):93; Cage Type:Plastic; Reference Speed Rating (r/min):5
NNU494 KOYO Double-row cylindrical roller bearingsR2:21.431 mm; P180°:40 kN; Ca:37.008 mm; H1:82.55 mm; R1:46.038 mm; A1:79.375 mm; J min.:219.075 mm; P60°:104 kN; Initial grease fill:68.04 g; Cap bolt recommended tightening torque:149.1 N·m; Da:130 mm; A2:120.65 mm; L:285.75 mm; Max. speed for PosiTrac Plus seal:2350 r/min; Pa:6.94
NN3032 KOYO Double-row cylindrical roller bearingsBasic Static Radial Load Rating Co:10000 N; Oil Speed Rating Open/Shielded n2:13000 rpm; Fillet Radius ra:0.64 mm; Sealed Speed Rating n3:6700 rpm; Basic Dynamic Radial Load Rating C:13800 N; D:62.0000 mm; d:40.000 mm; B:12.00 mm; Grease Speed Rating Open/Shielded n1:10000 rpm; Accessories:Two Shiel
NN3034 KOYO Double-row cylindrical roller bearingsHeight H:4.8906 in; Diameter N:0.5000 in; Distance J:3.8906 in; Shaft Diameter D:15/16 in; Dimension A2:0.6250 in; Height T:1.5313 in; Basic Dynamic Radial Load Rating:3150 lbf; Dimension A1:1.1875 in; Basic Static Radial Load Rating Co:1750 lbf; Weight W:1.35 lb; Dimension L:2.7500 in; Dimension DA
NNU4938 KOYO Double-row cylindrical roller bearingsD:170 mm; Tolerance shaft:e7; Permissible sliding velocity v max.:0.5 m/s; Coefficient of friction µ max.:0.15; h:152 mm; Permissible sliding velocity v min.:0 m/s; Specific dynamic load factor K:25 N/mm²; d:150 mm; α:124 °; Coefficient of friction µ min.:0.08; Mass bushing:10.5
NNU4932 KOYO Double-row cylindrical roller bearingsD:160 mm; Roller and cage thrust assembly:K 81222 TN; Eb:152 mm; Ea:117 mm; Mass roller and cage thrust assembly:0.53 kg; Fatigue load limit Pu:98 kN; Dw:15 mm; d:110 mm; Basic dynamic load rating C:260 kN; Basic static load rating C0:1000 kN; Limiting speed:1700 r/min; Reference speed:850 r/min;
NN3038 KOYO Double-row cylindrical roller bearingsDa max.:299 mm; d2 ≈:228 mm; Basic dynamic load rating C:1630 kN; da min.:211 mm; Limiting speed:260 r/min; ra max.:2 mm; D1 ≈:280 mm; Basic static load rating C0:2650 kN; da max.:263 mm; r1,2 min.:2.1 mm; D:310 mm; Fatigue load limit Pu:236 kN; s2 max.:11.1 mm; s1 max.:21 mm; Operating
NN314 KOYO Double-row cylindrical roller bearingsAccessories:One Shield & Snap-Ri; B:19.00 mm; Oil Speed Rating Open/Shielded n2:11000 rpm; d:20.000 mm; Grease Speed Rating Open/Shielded n1:9000 rpm; Basic Dynamic Radial Load Rating C:29200 N; Fillet Radius ra:1.00 mm; D:72.0000 mm; Basic Static Radial Load Rating Co:18600 N;
NN304 KOYO Double-row cylindrical roller bearingsAvailability:In Stock; Static Load Rating (kN):325; B:44mm; Fatigue Load Rating (kN):34.5; Seals or Shields:Two Rubber Seals; Dynamic Load Rating (kN):285; D:150mm; d:85mm; Weight:3.00 KGS; SKU:bs2-2217-2rsk/vt143-; Clearance:Standard; Cage Type:Steel; Limiting Speed Rating (r/min):1100;
NN3036 KOYO Double-row cylindrical roller bearingsP90°:149 kN; Eye bolt:2 x 3/8-16 UNC; Cap bolt:5/8-11 UNC; S:4.763 mm; ba:53.181 mm; A2:190.5 mm; PG:1/4 NPT; h:46.831 mm; PosiTrac Plus contact element:2 x B10724-113; P120°:94.3 kN; Cap bolt, SAE grade:8; Labyrinth ring:2 x LOR 112; P150°:87.2 kN; Cap bolt recommended tightening torque

 

 

NNU493 KOYO Double-row cylindrical roller bearings Video

 

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