Product Details

NN3948K NTN Cylindrical Roller Bearing

Brand Name NTN
Model Number NN3948K
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

No.BrandhKBGbaCf
NNU3164NTN - - 93 mm - - - - -
4R3431NTN36.513 mm - - - - - - -
NN3028KNTN - - 11.379 mm34.95 mm - - - -
NN3944KNTN - - 33 mm - 3.1 mm - 4.9 mm -
NNU38/5NTN - - 34.9 mm - - - - -
4R2628NTN - - 118 mm - - - - -
NNU48/63NTN - - 12 mmM 65x2 - - - -
4R4425NTN - - 33.3 mm - - - - -
NN3956NTN - - 120 mm - - - - -
NN3080KNTN - - - - - 263 mm - -
4R4027NTN - - - - - - - -
4R3426NTN - - - - - - - -
4R3225NTN - - 7 mm - - - - -
NN3052NTN - - 36 mm - - - - -
NNU3034KNTN - - 19 mm - - - - -
NN3022NTN - - 37 mm - - - - -
4R2823NTN - - 102.394 mm - - 5.556 mm - -
NN3044KNTN - - - - - - - -
NN303NTN - - - - - - - -
NNU306NTN - - 41 mm - - 35.1 mm - -
4R3628NTN34.925 mm - - - - - - -
NN3024KNTN - - - - - - 52 mm -

 

NNU3134 NTN Tapered Roller Bearingd:130 mm; Enclosure:Open; db (max):164 mm; Bore Type:Cylindrical Bore; D:280 mm; dc (min):169 mm; Da (max):262 mm; B:93 mm; Radial Clearance:0.060 to 0.105 mm; Dynamic Load Rating:920,000 N; Fillet Radius/Chamfer:4 mm; Weight:28.500 kg; ra (max):3 mm; ra1 (max):3 mm; Limiting Speed - Oil:2,400 rpm; r1:4 mm; db (min):148 mm; Limiting Speed - Grease:1,900 rpm; dd (min):184 mm; Configuration:Single Row;
4R3029 NTN Cylindrical Roller BearingD:200 mm; Maximum static radial loads F0r max.:640 kN; C:88 mm; Basic static load rating C0:540 kN; r, r3,4 min.:2 mm; Limiting speed:500 r/min; d1:102 mm; r1,2 min.:4 mm; d:80 mm; B:90 mm; Basic dynamic load rating C:391 kN; Mass support roller:16.8 kg; Maximum dynamic radial loads Fr max.:455 kN; Fatigue load limit Pu:71 kN;
NN3020K NTN Cylindrical Roller BearingCalculation factor e:0.25; Limiting speed:500 r/min; d2 ≈:198 mm; ra max.:3 mm; D:310 mm; db min.:180 mm; d1:150 mm; Da max.:293 mm; b:16.7 mm; Calculation factor Y2:4; Calculation factor Y1:2.7; Basic dynamic load rating C:1185 kN; da max.:198 mm; K:9 mm; r1,2 min.:4 mm; B:86 mm; d3:220 mm; Basic static load rating C0:1460 kN; B1:122 mm; B4:29 mm;
NNU494 NTN Tapered Roller BearingCap bolt recommended tightening torque:515.2 N·m; P120°:39.1 kN; Stabilizing ring:2 x SR-1617; Ca:69.799 mm; da:71.438 mm; J min.:295.275 mm; ba:52.388 mm; RG:3/8 NPT; H2:44.45 mm; Cap bolt:2 x 3/4-10 UNC; J max.:333.375 mm; PosiTrac Plus contact element:2 x B10724-184; R1:66.675 mm; P180°:42.9 kN; J1:60.325 mm; A1:111.125 mm; End plug (suffix Y):EPR 10; Cap bolt, SAE grade:8; Housing:FSAF 617;
NN30/600R2:33.337 mm; A1:158.75 mm; A2:225.425 mm; P60°:345 kN; P180°:145 kN; J min.:441.325 mm; P90°:207 kN; Housing:SAFS 532; H:338.137 mm; PosiTrac Plus contact element:2 x B10724-130; H2:66.675 mm; Ca:89.789 mm; Labyrinth ring:2 x LOR 131; P120°:133 kN; Max. speed for PosiTrac Plus seal:1050 r/min; RG:3/4 NPT; R1:104.775 mm; J1:95.25 mm; H1:169.875 mm; J max.:488.95 mm;
4R2628 NTN Cylindrical Roller BearingAxial Load Factor Y2:2.57; ra (max):2.5 mm; B:118 mm; Limiting Speed - Grease:1,350 rpm; Retainer Material:Machined Brass; Center Guidance:Fixed Inner Ring Rib; Hole Diameter (do):10 mm; Configuration:Double Row; Axial Load Factor Y0:1.69; d:180 mm; Roller Profile:Symmetric; Limiting Speed - Oil:1,800 rpm; Enclosure:Open; Static Load Rating:2,040,000 N; Radial Clearance:0.120 to 0.180 mm; Weight:33.700 kg;
NNU4856K NTN Cylindrical Roller Bearingra max.:3 mm; B:76.5 mm; db min.:78 mm; r3,4 min.:3 mm; Da max.:118.5 mm; Da min.:98 mm; T:80 mm; Calculation factor e:0.88; Calculation factor Y0:0.4; Ca min.:4 mm; r1,2 min.:3 mm; Limiting speed:5000 r/min; da max.:77 mm; Calculation factor Y:0.68; a:43 mm; D:130 mm; Reference speed:3000 r/min; C:69 mm; Cb min.:11 mm; Db min.:124 mm;
4R3033K NTN Cylindrical Roller BearingFillet Radius/Chamfer:3 mm; d:360 mm; Retainer Material:Machined Brass; Axial Load Factor Y0:3.96; Radial Clearance:0.300 to 0.400 mm; Axial Load Factor Y2:6.03; Enclosure:Open; Configuration:Double Row; Da (max):466 mm; ra (max):2.5 mm; Constant e:0.17; Static Load Rating:2,960,000 N; Bore Type:Tapered Bore; Nr. of Holes:6; Axial Load Factor Y1:4.05; Hole Diameter (do):10 mm; Roller Profile:Symmetric;
NNU303 NTN Tapered Roller BearingCalculation factor Y:0.72; Basic dynamic load rating C:399 kN; C:35 mm; Calculation factor Y0:0.4; T:56.5 mm; Fatigue load limit Pu:51 kN; d1 ≈:158.61 mm; Calculation factor e:0.83; Limiting speed:3000 r/min; Da max.:202.5 mm; r3,4 min.:3 mm; rb max.:3 mm; a:64.953 mm; Cb min.:21.5 mm; Db min.:202 mm; B:51 mm; r1,2 min.:4 mm; Reference speed:2200 r/min; D:215 mm; d:100 mm;
NN3030K NTN Cylindrical Roller BearingEnclosure:Open; Fillet Radius/Chamfer:2.1 mm; r1:2.1 mm; D:150 mm; Bore Type:Cylindrical Bore; Dynamic Load Rating:205,000 N; Limiting Speed - Oil:4,300 rpm; B:35 mm; db (max):87 mm; dd (min):100 mm; dc (min):92 mm; db (min):82 mm; Limiting Speed - Grease:3,600 rpm; ra1 (max):2 mm; Da (max):138 mm; Static Load Rating:222,000 N; ra (max):2 mm; Configuration:Single Row; Inside Ring Outside Diameter:89 mm;
NNU306 NTN Tapered Roller Bearingr1:1.1 mm; Weight:4.830 kg; d:85 mm; Static Load Rating:112,000 N; D:180 mm; a:35.1 mm; Bore Type:Cylindrical Bore; B:41 mm; Enclosure:Open; Limiting Speed - Grease:3,300 rpm; Limiting Speed - Oil:4,400 rpm; Configuration:Single Row; Fillet Radius/Chamfer:3 mm; Dynamic Load Rating:137,000 N;
4R4445 NTN Cylindrical Roller Bearingd:5 mm; Permissible sliding velocity v max.:5 m/s; Specific static load factor K0:20 N/mm²; Specific dynamic load factor K:10 N/mm²; Coefficient of friction µ max.:0.1; Coefficient of friction µ min.:0.05; B:8 mm; D1:13 mm; D:9 mm; Mass bushing:0.003 kg; B1:2 mm; Tolerance shaft:h8; Permissible sliding velocity v min.:0.25 m/s; Tolerance housing:H7;
NNU3026 NTN Tapered Roller BearingDynamic Load Rating:6,400 N; d:50 mm; B:7 mm; Enclosure:Open; Configuration:Single Row; Bore Type:Cylindrical Bore; Da (max):63 mm; Radial Clearance:0.018 to 0.036 mm; Static Load Rating:5,800 N; Limiting Speed - Oil:12,000 rpm; D:65 mm; Factor fo:16.1; Fillet Radius/Chamfer:0.3 mm; Weight:0.052 kg; da (min):52 mm; Limiting Speed - Grease:10,000 rpm; ra (max):0.3 mm;
4R4041 NTN Cylindrical Roller BearingC:222.25 mm; Fatigue load limit Pu:980 kN; T:304.8 mm; Calculation factor Y2:2.1; D1 ≈:770 mm; r3,4 min.:3.3 mm; Thrust factor K:1.21; Basic static load rating C0:14000 kN; Comparative axial load rating CFa:769 kN; Comparative radial load rating CF:1600 kN; Design variant/feature:TDO.1/D; Calculation factor e:0.48; r1,2 min.:9.7 mm; D:838.2 mm; d1 ≈:661 mm; d:508 mm; Calculation factor Y1:1.4;

 

 

NN3948K NTN Cylindrical Roller Bearing Video

 

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