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4R3443 NTN Cylindrical Roller Bearing

Name: 4R3443 NTN Cylindrical Roller Bearing
Brand: NTN
SKU: 4R3443
Rating: 4.9 (5 reviews)

NTN 4R3443 Bearing SPECIFICATIONS

100% NACHI BEARINGS OF AMERICA CORP. 100 mm C Authentic. 4R3443 NTN Cylindrical Roller Bearing Highest Quality. Certified Supplier.
Brand Name:NTN
Model Number:
4R3443
C:100 mm
Db min.:415 mm
ra max.:4 mm
T:127 mm
Calculation factor Y0:0.8
Calculation factor e:0.43
r3,4 min.:4 mm
D:440 mm

Download NTN 4R3443 Spec Sheet

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Thrust Spherical Roller Bearing Specification details

C:100 mm
Db min.:415 mm
ra max.:4 mm
T:127 mm
Calculation factor Y0:0.8
Calculation factor e:0.43
r3,4 min.:4 mm
D:440 mm
rb max.:3 mm
Dimension series:4GD
Limiting speed:1300 r/min
Calculation factor Y:1.4
a:105 mm
db min.:262 mm
da max.:276 mm
Da min.:365 mm
Da max.:420 mm
Ca min.:7 mm
Cb min.:27 mm
Mass bearing:81.5 kg

4R3443 NTN Cylindrical Roller Bearing pdf

NTN 4R3443 4R3443 NTN Cylindrical Roller Bearing Product Features

NN3028K	Da 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;
NNU38/5 NTN Tapered Roller Bearing	D: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;
4R4206 NTN Cylindrical Roller Bearing	PG:1/4 NPT; Eye bolt:2 x 1/2-13 UNC; Da:399.999 mm; Max. speed for PosiTrac Plus seal:600 r/min; ba:96.838 mm; da:239.713 mm; End plug (suffix Y):X-5217-2; Ca:117.805 mm; P60°:691 kN; Cap bolt, SAE grade:8; H1:241.3 mm; Housing:SSAFS 052 KA; P180°:285 kN; P120°:260 kN; Cap bolt recommended tightening torque:4284.4 N·m; H:473.075 mm; A1:222.25 mm; Stabilizing ring:2 x A8898; R1:130.175 mm;
NNU3048	Calculation 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;
NN4964K NTN Cylindrical Roller Bearing	Housing material:Composite; d:25 mm; J min.:100 mm; H:71 mm; Limiting speed:7000 r/min; Recommended diameter for attachment bolts, mm G:10 mm; J:105 mm; A:32 mm; s1:21 mm; J max.:110 mm; B1:33 mm; Mass bearing unit:0.31 kg; Basic static load rating C0:7.8 kN; H1:36.5 mm; L:134 mm; N:17.5 mm; Hexagonal key size for grub screw N:2.5 mm; A1:22 mm; A5:18 mm; H2:16 mm;
NNU4964 NTN Tapered Roller Bearing	B1:326 mm; ra max.:6 mm; Reference speed:600 r/min; Basic static load rating C0:12000 kN; Da max.:728 mm; Fatigue load limit Pu:815 kN; B2:75 mm; Operating clearance factor k2:0.105; d2 ≈:559 mm; Mass bearing + sleeve:540 kg; Ca min.:4.2 mm; s1 max.:51 mm; d3:580 mm; Limiting speed:800 r/min; B5:95 mm; d1:430 mm; B:240 mm; r1,2 min.:7.5 mm; Basic dynamic load rating C:6800 kN; da max.:603 mm;
NNU3164 NTN Tapered Roller Bearing	Calculation factor Y0:1.8; Mass bearing:250 kg; d:320 mm; Calculation factor Y2:2.9; Fatigue load limit Pu:475 kN; Limiting speed:1400 r/min; r1,2 min.:5 mm; d2 ≈:382 mm; K:12 mm; Da max.:560 mm; b:22.3 mm; Basic static load rating C0:6700 kN; Reference speed:700 r/min; B:208 mm; D:580 mm; D1 ≈:493 mm; da min.:340 mm; Basic dynamic load rating C:4607 kN; Calculation factor e:0.35; Calculation factor Y1:1.9;
NN4924 NTN Tapered Roller Bearing	D:295 mm; Mounting Hole Countersink Diameter:17.5 mm; da:218 mm; Da:238 mm; Outer rings PCD:270 mm; Number of Mounting Holes:12; B:35 mm; Mounting Hole Depth:10.8 mm; Static Load Rating:192.3 kN; Dynamic Load Rating:102 kN; d:160 mm; Inner rings PCD:184 mm; Chamfer:2 mm; Thread Size:M10; Mounting Hole Size:11 mm; Oil Holes:6 mm;
NNU39/8 NTN Tapered Roller Bearing	d2:130.175 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;
4R3625 NTN Cylindrical Roller Bearing	d1:42.862 mm; B:12.954 mm; Threads per inch:18; d3 max.:68.402 mm; Mass adapter sleeve assembly:0.39 kg; B1:60.554 mm; d:50 mm; Sleeve:S 110x1.11/16; B4:14.173 mm; Hydraulic nut:HMVC 10E; G:49.962 mm;
NN303 NTN Tapered Roller Bearing	Taconite seal (dc shaft position):TER 154; Housing:SSAFS 236; Cap bolt:1-8 UNC; Cap bolt, SAE grade:8; ba:75.406 mm; Initial grease fill:1304.1 g; P180°:113 kN; P120°:127 kN; H:377.825 mm; Mass pillow block:184 kg; L:679.45 mm; Eye bolt:2 x 3/8-16 UNC; R2:41.275 mm; P150°:113 kN; Pa:73.4 kN; RG:3/4 NPT; h:60.325 mm; S:4.763 mm; db:198.438 mm; PG:1/4 NPT;
NNU306 NTN Tapered Roller Bearing	D:1250 mm; Dynamic (Cr):6400 kN; Weight:987 ; Pu:1187.950 kg; d:950 mm; Bearing designation:PLC 512-28 ; Static (Cor):20000 ; B1:220 mm; B:300 mm;
4R4048 NTN Cylindrical Roller Bearing	D:105 mm; Tolerance housing:H7; Tolerance shaft:h8; Specific dynamic load factor K:10 N/mm²; Coefficient of friction µ min.:0.05; Mass bushing:2.24 kg; Specific static load factor K0:20 N/mm²; Permissible sliding velocity v max.:5 m/s; Permissible sliding velocity v min.:0.25 m/s; d:80 mm; Coefficient of friction µ max.:0.1; B:100 mm;
4R4037 NTN Cylindrical Roller Bearing	Permissible 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;
NN38/56 NTN Tapered Roller Bearing	D1 ≈: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;
NN3948K NTN Cylindrical Roller Bearing	P120°:125 kN; P90°:185 kN; Mass pillow block:85.7 kg; L:466.725 mm; End plug (suffix Y):EPR 15; Max. speed for PosiTrac Plus seal:1300 r/min; Housing:SSAFS 526; H:292.1 mm; Da:230 mm; ba:57.944 mm; h:60.325 mm; A2:203.2 mm; Cap bolt:3/4-10 UNC; P60°:308 kN; Stabilizing ring:SR-26-0; H2:60.325 mm; Pa:24.9 kN; S:4.763 mm; PosiTrac Plus contact element:2 x B10724-117; A1:130.175 mm;

No.	Brand	U	E	w	b	L	N	K	C
NNU39/8	NTN	-	-	-	-	355.6 mm	-	-	-
NN3196	NTN	-	-	-	-	234.95 mm	-	-	-
NN3072K	NTN	-	-	-	-	-	-	-	-
NN492	NTN	-	-	-	-	-	-	-	-
NNU4940K	NTN	-	-	-	-	-	-	-	-
NN3972	NTN	-	-	50 mm	-	-	-	-	-
NNU4984K	NTN	-	-	-	-	511.175 mm	-	-	-
NNU4964	NTN	-	-	-	-	-	-	-	-
NNU4932K	NTN	-	-	-	-	539.75 mm	-	-	-
NN3938	NTN	-	673 mm	-	-	-	-	-	-
4R3817	NTN	-	-	-	13 mm	-	-	7.5 mm	-
NN49/95	NTN	-	-	-	-	-	-	-	-
4R3232	NTN	-	-	-	-	-	-	-	-
4R2904	NTN	-	-	-	-	70 mm	12.3 mm	-	-
NNU4932	NTN	-	-	-	-	558.8 mm	-	-	-
NNU38/5	NTN	-	-	-	-	-	-	-	-
NN306	NTN	-	-	55 mm	-	-	-	-	-
NN4964K	NTN	-	-	-	-	134 mm	17.5 mm	-	-
NN3038	NTN	-	-	-	-	-	-	-	-
4R4806	NTN	-	-	-	-	-	11 mm	-	-
NN4928	NTN	-	40 mm	-	-	-	-	-	-

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