Product Details

NN3944K NTN Cylindrical Roller Bearing

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

Product Features

 

NNU39/8 NTN Tapered Roller Bearingd2:130.175 mm; B:102.394 mm; S:0.794 mm; A1:112.713 mm; Limiting speed:800 r/min; Basic dynamic load rating C:253 kN; Mass bearing unit:16.1 kg; H2:57.15 mm; J max.:290.512 mm; L:355.6 mm; A:92.075 mm; J min.:268.288 mm; H1:95.25 mm; Attachment bolt diameter G:22.225 mm; H:190.5 mm; da:88.9 mm; s:36.513 mm;
NN4964 NTN Tapered Roller BearingT:33.25 mm; ra max.:2 mm; Basic dynamic load rating C:195 kN; Calculation factor e:0.43; Fatigue load limit Pu:24.5 kN; da max.:81 mm; C:27 mm; Dimension series:3EC; Da max.:116.5 mm; Limiting speed:5300 r/min; Da min.:108 mm; D:125 mm; Cb min.:6 mm; Reference speed:4300 r/min; db min.:80.5 mm; rb max.:1.5 mm; Calculation factor Y:1.4; B:31 mm; Calculation factor Y0:0.8; Basic static load rating C0:208 kN;
4R4429 NTN Cylindrical Roller Bearingd3 max.:131.902 mm; Hydraulic nut:HMVC 20E; d:100 mm; G:99.517 mm; B1:72.619 mm; Mass adapter sleeve assembly:2 kg; B4:21.438 mm; B:19.304 mm; Sleeve:S 20x3.7/16; Threads per inch:12; d1:87.313 mm;
4R3431 NTN Cylindrical Roller Bearingdb min.:338 mm; d1:300 mm; d3:400 mm; r1,2 min.:5 mm; Fatigue load limit Pu:440 kN; Mass bearing + sleeve:192 kg; Limiting speed:260 r/min; D:540 mm; Basic static load rating C0:6100 kN; Calculation factor Y0:2.2; B5:56 mm; Basic dynamic load rating C:3929 kN; D1 ≈:483 mm; d2 ≈:361 mm; B1:226 mm; B2:42 mm; Da max.:520 mm; Calculation factor e:0.3; b:22.3 mm; da max.:361 mm;
NNU4864P90°:207 kN; H2:69.85 mm; J min.:492.125 mm; J1:107.95 mm; L:628.65 mm; P180°:133 kN; Labyrinth ring:2 x LOR 141; Pa:43.6 kN; Cap bolt, SAE grade:8; PG:1/4 NPT; da:152.4 mm; RG:3/4 NPT; J max.:549.275 mm; h:54.769 mm; Cap bolt:1-8 UNC; P60°:345 kN; ba:74.612 mm; R2:37.306 mm; Initial grease fill:878.85 g; End plug (suffix Y):EPR 18;
NNU4920KPermissible sliding velocity v max.:0.5 m/s; α:124 °; a:10 mm; h:212.5 mm; B:200 mm; d:210 mm; Specific dynamic load factor K:25 N/mm²; Coefficient of friction µ min.:0.08; Mass bushing:12.2 kg; Tolerance shaft:e7; Permissible sliding velocity v min.:0 m/s; Tolerance housing:H7; D:230 mm; Specific static load factor K0:45 N/mm²; Coefficient of friction µ max.:0.15;
NN3038K NTN Cylindrical Roller BearingL:225.425 mm; B:73.025 mm; A1:80.169 mm; J min.:174.625 mm; Attachment bolt diameter G:15.875 mm; Basic dynamic load rating C:84.5 kN; d2:73.819 mm; Mass bearing unit:4.76 kg; S:0.794 mm; H1:57.15 mm; s:25.4 mm; Limiting speed:1450 r/min; da:49.212 mm; J max.:180.975 mm; A:63.5 mm; H2:33.337 mm; H:114.3 mm;
NNU4944 NTN Tapered Roller BearingLubricant:Regular relubricatio; Specific dynamic load factor K:100 N/mm²; Specific static load factor K0:500 N/mm²; dk:60 mm; Design (sliding contact surface combination):Steel/steel, heavy-d; M:3 mm; α:17 °; Da min.:61 mm; C:25 mm; Basic static load rating C0:640 kN; r1 min.:0.6 mm; Material constant KM:330; d:40 mm; rb max.:1 mm; D:68 mm; Da max.:63.6 mm; b1:4.6 mm; Basic dynamic load rating C:127 kN;
NN3028KDa max.:788 mm; d2 ≈:534 mm; Mass bearing + sleeve:675 kg; Basic dynamic load rating C:7832 kN; Calculation factor e:0.3; B:243 mm; da min.:420 mm; D1 ≈:697 mm; Basic static load rating C0:10400 kN; r1,2 min.:7.5 mm; B2 ≈:312 mm; D:820 mm; Limiting speed:750 r/min; B1:302 mm; d1:380 mm; b:22.3 mm; Reference speed:430 r/min; Calculation factor Y1:2.3; Calculation factor Y0:2.2; K:12 mm;
NN4948K NTN Cylindrical Roller BearingB:9 mm; d:17 mm; Weight:0.03 kg; Oil:21 000 min-1; Dynamic (Cr):8.2 kN; Static (Cor):5.3 kN; Bearing designation:PLC 03-29  ; Grease:18 000 min-1; Pu:0.240 kN; D:35 mm;
NN3048 NTN Tapered Roller BearingA1:15 mm; d:25 mm; L:95 mm; Basic dynamic load rating C:14 kN; T:40 mm; A3:3.2 mm; B1:33 mm; Db:65 mm; Da:74.6 mm; Recommended diameter for attachment bolts, inch G:0.375 in; N:12.3 mm; Basic static load rating C0:7.8 kN; Recommended tightening torque for grub screw:4.2 N·m; s1:21 mm; Limiting speed:1500 r/min; Housing material:Composite; Hexagonal key size for grub screw N:2.5 mm; A5:18 mm;
NN3964K NTN Cylindrical Roller BearingCap bolt, size:M 30x180; Oil level, min.:62 mm; J6:650 mm; Pa:1100 kN; J1:150 mm; L:700 mm; H1:240 mm; A2:300 mm; N4 max.:20 mm; A:300 mm; Cap bolt, rec. tightening torque:400 N·m; Bearing (basic designation):23052 K; P55°:4200 kN; P0°:3400 kN; H:474 mm; P150°:1400 kN; Oil seal:2 x TSD 3052/9.7/16; A1:260 mm; P180°:1700 kN; Mass housing:187 kg;
4R461 NTN Cylindrical Roller BearingMass shaft washer:0.12 kg; B:5.25 mm; d1:90 mm; d:65 mm; r1,2 min.:1 mm;
NNU49/56 NTN Tapered Roller BearingBearing designation:6414  ; Oil:4 700 min-1; Da:164 max; d:70 mm; da:85 min; Pu:4.228 kN; D:180 mm; Static (Cor):104.000 kN; ra:2.5 max; Dynamic (Cr):144.000 kN; rs:3 mm; Weight:4.85 kg; B:42 mm; Grease:4 000 min-1;
NN3040KReference speed:850 r/min; Da max.:514 mm; Cb min.:29 mm; B:102 mm; Mass bearing:107 kg; Fatigue load limit Pu:250 kN; r1,2 min.:6 mm; db min.:286 mm; Basic dynamic load rating C:2120 kN; d:260 mm; r3,4 min.:6 mm; Basic static load rating C0:3050 kN; rb max.:5 mm; D:540 mm; a:93 mm; da max.:325 mm; Db min.:493 mm; Calculation factor e:0.35; C:80 mm; Limiting speed:1300 r/min;
NN38/56 NTN Tapered Roller BearingD1 ≈:1053 mm; Mass bearing:525 kg; Limiting speed:480 r/min; ra max.:5 mm; d2 ≈:940 mm; D:1120 mm; r1,2 min.:6 mm; Reference speed:360 r/min; B:200 mm; Basic static load rating C0:16300 kN; d:850 mm; Operating clearance factor k2:0.098; Misalignment factor k1:0.135; Fatigue load limit Pu:960 kN; Ca min.:2.9 mm; Da max.:1097 mm; Da min.:1025 mm; Basic dynamic load rating C:7350 kN; s1 max.:35.9 mm;

 

 

No.BrandUEwbLNKC
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NNU4938KNTN - - - - - - - 23 mm
NNU493NTN - - - - - - - -
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NN3952KNTN - - - - - - - -
4R3618NTN - - - - - - - -
NN4964KNTN - - - - 134 mm17.5 mm - -
4R4425NTN - - - - - - - -
4R3426NTN - - - - - - - -
NN4928NTN - 40 mm - - - - - -
NN3034NTN - - - - - - - 85.725 mm
NN4926NTN - - - 22.3 mm - - 12 mm -
NN396NTN - mm - mm - - - -
NNU4948KNTN - - - - - - - -
NNU3068NTN - - - - - - 0.5 mm -
NN3934NTN - mm - mm - - - -
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NN3932KNTN - - - - - - - -
NNU39/8NTN - - - - 355.6 mm - - -
4R4445NTN - - - - - 17 mm - -
4R4206NTN - - - - - - - -
NNU306NTN - - - - - - - -
4R3823NTN - - - 16 mm - - - 74 mm

 

NN3944K NTN Cylindrical Roller Bearing Video

 

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