Product Details

NN3944K NTN Cylindrical Roller Bearing

Brand Name NTN
Model Number NN3944K
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

No.BrandhKBGbaCf
NNU4996NTN42.862 mm - - - - - - -
NN3060KNTN - - 6 mm - - - - -
NNU4932NTN - - 49 mmM 72x4 - - - -
NN3072NTN - - - - - - - -
4R2832NTN - - 92 mm - - - - -
NN4930KNTN - - 55 mm - - - - -
4R3429NTN - - 46 mm - - - - -
NNU4928NTN - - 45 mm - - - - -
NN4956KNTN - - - - - - - -
NNU4936KNTN - - - - - - - -
NN3032NTN60.325 mm - - - - - - -
NN493NTN - - 40 mmTr 300x4 - - - -
NN3028KNTN - - 11.379 mm34.95 mm - - - -
NN3052NTN - - 36 mm - - - - -
NN304NTN25 mm - 90 mmTr 710x750 mm - - -
NNU4856NTN - - 15 mm - - - - -
NNU49/530NTN - - 22 mm - - 30 mm - -
NN3021NTN - - - - - - - -
NN3148NTN - - 36 mm - - - - -
NNU3036NTN - - - - - - - -
NNU3088NTN - - 45 mm - - - - -

 

NN3064F:63 mm; B:25 mm; Mass inner ring:0.14 kg; r, r1,2 min.:1 mm; d:55 mm;
NN3040Kdc (min):234 mm; db (max):227 mm; D:340 mm; Radial Clearance:0.090 to 0.145 mm; Static Load Rating:1,670,000 N; Weight:45.200 kg; Fillet Radius/Chamfer:4 mm; Da (max):322 mm; db (min):208 mm; Limiting Speed - Oil:2,000 rpm; Bore Type:Cylindrical Bore; Configuration:Single Row; Dynamic Load Rating:1,100,000 N; r1:4 mm; ra (max):3 mm; B:92 mm; Enclosure:Open; ra1 (max):3 mm; d:190 mm; Limiting Speed - Grease:1,700 rpm;
NN302 NTN Tapered Roller BearingFatigue load limit Pu:137 kN; Ba min.:20 mm; d3:180 mm; da max.:171 mm; Calculation factor Y0:2; Basic dynamic load rating C:1132 kN; D1 ≈:243 mm; d1:135 mm; K:6 mm; Calculation factor e:0.33; Basic static load rating C0:1460 kN; B:96 mm; B1:139 mm; Calculation factor Y1:2; r1,2 min.:3 mm; db min.:163 mm; d2 ≈:171 mm; B4:26 mm; b:11.1 mm; Calculation factor Y2:3;
NNU4996 NTN Tapered Roller BearingCap bolt:2 x 5/8-11 UNC; R1:60.325 mm; Labyrinth ring:2 x LOR 38; Stabilizing ring:2 x SR-1615; Initial grease fill:286.33 g; h:42.862 mm; A2:149.225 mm; H2:41.275 mm; R2:27.94 mm; Appropriate attachment bolt size G:0.75 in; PG:1/8 NPT; J max.:295.275 mm; P150°:40.5 kN; H:192.088 mm; Da:160 mm; Cap bolt recommended tightening torque:298.3 N·m; Cap bolt, SAE grade:8; L:349.25 mm; J min.:263.525 mm;
4R3428 NTN Cylindrical Roller BearingMass adapter sleeve assembly:21 kg; Threads per inch:8; B:32.004 mm; B4:35.712 mm; Hydraulic nut:HMVC 44E; G:219.151 mm; Sleeve:S 144x7.15/16; d:220 mm; d1:201.613 mm; B1:184.836 mm; d3 max.:279.527 mm;
4R4428 NTN Cylindrical Roller BearingD:250 mm; D1 ≈:223.5 mm; Calculation factor kr:0.25; da min.:190 mm; d1 ≈:206 mm; b1:7 mm; ra max.:2 mm; d:180 mm; Reference speed:1100 r/min; Basic static load rating C0:1220 kN; Da max.:240 mm; das:198 mm; Basic dynamic load rating C:594 kN; Fatigue load limit Pu:127 kN; Limiting speed:1400 r/min; r1,2 min.:2 mm; Mass bearing:10.8 kg; K:4 mm; B:69 mm;
NNU4972K NTN Cylindrical Roller BearingDa min.:139.5 mm; M:8 mm; r1 min.:0.6 mm; Specific dynamic load factor K:100 N/mm²; D:158.75 mm; B:88.9 mm; b:10.5 mm; Material constant KM:330; da max.:115.5 mm; Da max.:152.5 mm; Mass plain bearing:7 kg; C:76.2 mm; d:101.6 mm; Basic dynamic load rating C:900 kN; da min.:108 mm; rb max.:1 mm; ra max.:0.6 mm; Basic static load rating C0:2650 kN; Specific static load factor K0:300 N/mm²; Design (sliding contact surface combination):Steel/steel;
NNU4934K NTN Cylindrical Roller BearingRadial Clearance:0.035 to 0.060 mm; Limiting Speed - Grease:9,000 rpm; dd (min):40 mm; Da (max):55 mm; d:25 mm; Dynamic Load Rating:57,000 N; db (min):32 mm; ra (max):1 mm; Static Load Rating:56,000 N; Fillet Radius/Chamfer:1.1 mm; r1:1.1 mm; D:62 mm; db (max):33 mm; B:24 mm; Limiting Speed - Oil:11,000 rpm; Enclosure:Open; Configuration:Single Row; Inside Ring Outside Diameter:34 mm; Bore Type:Cylindrical Bore;
NNU30/56 NTN Tapered Roller BearingConfiguration:Double Row; Limiting Speed - Grease:3,500 rpm; Roller Profile:Symmetric; Dynamic Load Rating:310,000 N; Da (max):138 mm; Enclosure:Open; D:150 mm; da (min):82 mm; Bore Type:Tapered Bore; Radial Clearance:0.070 to 0.095 mm; d:70 mm; Weight:3.100 kg; Axial Load Factor Y1:2.84; Constant e:0.24; Static Load Rating:260,000 N; Axial Load Factor Y2:4.23; Limiting Speed - Oil:4,200 rpm; B:35 mm;
4R3639 NTN Cylindrical Roller BearingRG:1/4 NPT; H:161.925 mm; N1:15.875 mm; PosiTrac Plus contact element:2 x B10724-37; h:28.575 mm; Appropriate attachment bolt size G:0.5 in; P60°:75.6 kN; L:285.75 mm; H1:82.55 mm; Stabilizing ring:SR-15-0; H2:30.163 mm; A2:120.65 mm; Labyrinth ring:2 x LOR 38; Max. speed for PosiTrac Plus seal:2350 r/min; P150°:25.4 kN; Pa:6.94 kN; J max.:244.475 mm; da:63.5 mm; Initial grease fill:68.04 g;
NNU38/8 NTN Tapered Roller BearingWeight:60.600 kg; Fillet Radius/Chamfer:4 mm; ra (max):3 mm; Dynamic Load Rating:2,150,000 N; Limiting Speed - Oil:1,800 rpm; Hole Diameter (do):10 mm; Axial Load Factor Y0:1.81; Groove Width A:22 mm; Configuration:Double Row; Limiting Speed - Grease:1,300 rpm; Center Guidance:Fixed Inner Ring Rib; Retainer Material:Machined Brass; D:360 mm; Nr. of Holes:6; Radial Clearance:0.120 to 0.180 mm; Enclosure:Open;
4R3426 NTN Cylindrical Roller Bearingda:130.175 mm; Labyrinth ring:2 x LOR 124; Pa:48.9 kN; PosiTrac Plus contact element:2 x B10724-125; Housing:SAF 630; Mass pillow block:146 kg; Eye bolt:2 x 3/8-16 UNC; P90°:140 kN; J min.:530.225 mm; N1:28.575 mm; Ca:117.805 mm; End plug (suffix Y):EPR 17; Cap bolt, SAE grade:5; J1:117.475 mm; RG:3/4 NPT; Cap bolt:4 x 3/4-10 UNC; Stabilizing ring:SR-36-30; H1:190.5 mm; Max. speed for PosiTrac Plus seal:1075 r/min;
NNU4984Dw:11 mm; Eb:141 mm; Roller and cage thrust assembly:K 81122 TN; Fatigue load limit Pu:65.5 kN; Mass roller and cage thrust assembly:0.27 kg; D:145 mm; Basic dynamic load rating C:163 kN; d:110 mm; Basic static load rating C0:680 kN; Reference speed:1100 r/min; Ea:114 mm; Limiting speed:2200 r/min;
NNU3064 NTN Tapered Roller BearingInside Ring Outside Diameter:101.8 mm; Enclosure:Open; Radial Clearance:0.075 to 0.110 mm; db (max):99 mm; Limiting Speed - Oil:5,000 rpm; db (min):95 mm; B:28 mm; Dynamic Load Rating:120,000 N; r1:2 mm; Bore Type:Cylindrical Bore; Da (max):140 mm; d:85 mm; Static Load Rating:140,000 N; dc (min):104 mm; Configuration:Single Row; Fillet Radius/Chamfer:2 mm; ra1 (max):2 mm; ra (max):2 mm; Limiting Speed - Grease:4,300 rpm;

 

 

NN3944K NTN Cylindrical Roller Bearing Video

 

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