Product Details

NN4938 NTN Tapered Roller Bearing

Brand Name NTN
Model Number NN4938
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

 

NN3026KB4:4 mm; Thread grub screw G2:#10-32 UNF; Fatigue load limit Pu:0.2 kN; d:15.875 mm; Recommended diameter for attachment bolts, mm G:10 mm; Basic static load rating C0:4.75 kN; H:98.5 mm; J7:11 mm; Limiting speed:9500 r/min; B:22.1 mm; RG:1/4-28 UNF; Db1:50 mm; Housing material:Cast iron; Mass bearing unit:0.33 kg; A3:3.2 mm; J:76.5 mm; L:57 mm; Da:50.8 mm; Rα:45 °; DN:6.5 mm;
NN3092K NTN Cylindrical Roller Bearingr1 max.:0.6 mm; Lw:23.8 mm; Dw:3 mm; Mass needle roller:1.32 g; r2 max.:0.8 mm; r1,2 min.:0.2 mm;
NNU4088 NTN Tapered Roller BearingSpecific static load factor K0:20 N/mm²; Permissible sliding velocity v min.:0.25 m/s; d:15 mm; Coefficient of friction µ min.:0.05; Mass bushing:0.013 kg; Specific dynamic load factor K:10 N/mm²; Tolerance housing:H7; D:20 mm; Tolerance shaft:h8; Permissible sliding velocity v max.:5 m/s; Coefficient of friction µ max.:0.1; B:15 mm;
NNU38/5 NTN Tapered Roller BearingD:220 mm; Da:198 mm; Static Load Rating:137.7 kN; Oil Holes:2.5 mm; d:160 mm; Dynamic Load Rating:74.5 kN; B:25 mm; Radius:1.5 mm; da:181 mm;
NNU4968 NTN Tapered Roller BearingBasic static load rating C0:11.2 kN; Da:93.7 mm; Recommended diameter for attachment bolts, inch G:0.375 in; Recommended diameter for attachment bolts, mm G:10 mm; Limiting speed:1200 r/min; d:30 mm; Fatigue load limit Pu:0.475 kN; J6:96 mm; Mass bearing unit:1.05 kg; N:11.5 mm; A1:13 mm; J:82.5 mm; Db2:84 mm; s1:23 mm; N4:4 mm; T:43 mm; A3:3.2 mm; J7:24.5 mm; A5:20 mm; Basic dynamic load rating C:19.5 kN;
4R442 NTN Cylindrical Roller Bearingd3:1000 mm; G:Tr 800x7; G2:G 1/8; A:10 mm; Hydraulic nut:HMV 160E; B1:505 mm; B:112 mm; Mass adapter sleeve assembly:535 kg; d:800 mm; G3:13 mm; d1:750 mm; B5:141 mm;
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;
NNU3048Calculation factor Y1:3; Mass bearing + sleeve:23.2 kg; Fatigue load limit Pu:114 kN; B2:34 mm; Calculation factor Y0:2.8; B1:109 mm; r1,2 min.:2.1 mm; Ba min.:9 mm; Calculation factor e:0.22; db min.:189 mm; D:280 mm; Basic static load rating C0:1270 kN; Calculation factor Y2:4.6; da max.:199 mm; d1:160 mm; B:74 mm; Basic dynamic load rating C:884 kN; d2 ≈:199 mm; ra max.:2 mm; K:7.5 mm;
NNU49/530H:398.462 mm; S:4.763 mm; h:61.913 mm; Housing:SSAFS 538; RG:1 NPT; R2:42.069 mm; Initial grease fill:1672.65 g; A2:339.725 mm; Cap bolt recommended tightening torque:1735.4 N·m; R1:120.65 mm; H1:200.025 mm; L:711.2 mm; PG:1/4 NPT; Da:339.999 mm; Ca:101.803 mm; P90°:249 kN; P150°:136 kN; Mass pillow block:223 kg; da:177.8 mm; Cap bolt, SAE grade:8;
4R3056 NTN Cylindrical Roller BearingCalculation factor Y1:1.7; r5 min.:1 mm; Cb min.:15 mm; K:3 mm; Calculation factor Y2:2.5; Db min.:172 mm; Calculation factor Y0:1.6; l:9 mm; Limiting speed:3600 r/min; rc max.:1 mm; db min.:113.5 mm; Basic dynamic load rating C:912 kN; a:98.617 mm; T:135 mm; Mass bearing pair:13.9 kg; d1 ≈:139.98 mm; b:4 mm; D:180 mm; Calculation factor e:0.4; ra max.:3 mm;
NNU4856 NTN Tapered Roller BearingPu:0.222 kN; rs (min):0.6 mm; B:11 mm; r1s (min):0.3 mm; Oil:20 000 min-1; D:35 mm; d:15 mm; Dynamic (Cr):9.580 kN; Static (Cor):4.875 kN; Grease:17 000 min-1; a:12 mm;
NN3024K NTN Cylindrical Roller Bearings max.:3.3 mm; D1 ≈:488 mm; F:447 mm; Axial load factor Y:0.6; D:520 mm; Limiting speed:1800 r/min; d:420 mm; Basic static load rating C0:1200 kN; r1,2 min.:2.1 mm; Mass bearing:22 kg; Limiting value e:0.2; Da max.:508 mm; db min.:452 mm; da max.:442 mm; ra max.:2 mm; B:46 mm; Basic dynamic load rating C:572 kN; Fatigue load limit Pu:102 kN; Reference speed:1200 r/min; Calculation factor kr:0.1;
4R4037 NTN Cylindrical Roller BearingPermissible sliding velocity v max.:1 m/s; d:16 mm; Specific static load factor K0:80 N/mm²; Permissible sliding velocity v min.:0 m/s; Coefficient of friction µ min.:0.06; Specific dynamic load factor K:40 N/mm²; D:18 mm; Coefficient of friction µ max.:0.15; Tolerance housing:H7; Tolerance shaft:h9; B:15 mm; Mass bushing:0.0012 kg;
NN493 NTN Tapered Roller BearingBasic dynamic load rating C:114 kN; Basic static load rating C0:112 kN; r3,4 min.:2 mm; Limiting value e:0.2; F:64.5 mm; r1,2 min.:2 mm; da min.:58 mm; da max.:62 mm; B:29 mm; Axial load factor Y:0.6; Mass bearing:1.88 kg; d:45 mm; Limiting speed:10000 r/min; s max.:2.5 mm; Calculation factor kr:0.23; d1 ≈:71.8 mm; Reference speed:6700 r/min; D:120 mm; ra max.:2 mm; db min.:75 mm;
4R2832 NTN Cylindrical Roller BearingBasic static load rating C0:25500 kN; Mass bearing:1429 kg; Reference speed:340 r/min; s1 max.:47.8 mm; Da max.:1110 mm; Fatigue load limit Pu:1530 kN; d:710 mm; Operating clearance factor k2:0.111; Ca min.:11.1 mm; Da min.:973 mm; B:345 mm; r1,2 min.:9.5 mm; d2 ≈:842 mm; D:1150 mm; ra max.:8 mm; D1 ≈:1013 mm; Limiting speed:480 r/min; Basic dynamic load rating C:13400 kN;
NNU4948 NTN Tapered Roller Bearingda min.:147 mm; Basic static load rating C0:1460 kN; Reference speed:1000 r/min; Limiting speed:2000 r/min; ra max.:2 mm; Minimum axial load factor A:0.171; H:48 mm; D:150 mm; d:70 mm; Mass bearing:4.18 kg; d1:150 mm; Da max.:78 mm; Fatigue load limit Pu:150 kN; Basic dynamic load rating C:380 kN; r1,2 min.:2 mm; D1:73 mm; B:16 mm;

 

 

No.BrandUEwbLNKC
NN4944KNTN - - - - - - - -
NN3026KNTN - - - - 57 mm - - -
4R3429NTN - - - - - - - -
4R3639NTN - - - - - - - -
NNU3076NTN - - - - - - - -
NN3926KNTN - - - 22.3 mm - - 12 mm450 mm
NN492NTN - - - - - - - -
NN4921KNTN - - - - - - - -
NN38/56NTN - - - - - - - -
NN306NTN - - 55 mm - - - - -
NN404NTN - - - - 161.925 mm - - -
NNU4988NTN - - - - - - - -
4R4413NTN - mm - 12 mm - - - -
NNU4960KNTN - - - 16.7 mm - - 9 mm -
4R4807NTN - - - - 749.3 mm - - -
4R4041NTN - - - - - - - -
NN3938NTN - 673 mm - - - - - -
NNU3856NTN - - - - - - - -
NNU49/75NTN - - - - - - - -
NN4928KNTN - - - - - - - -
4R4419NTN - - - - - - - -
NNU4968NTN - - - - - 11.5 mm - -

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