NN4938K NTN Cylindrical Roller Bearing

No.	Brand	h	K	B	G	b	a	C	f
NN3048	NTN	-	-	55 mm	-	-	-	-	-
NNU3856	NTN	-	-	145 mm	-	-	-	-	-
NN4936K	NTN	25.4 mm	-	140 mm	-	51.3 mm	-	-	-
NNU4938K	NTN	-	-	29 mm	-	-	-	-	-
NNU3034	NTN	-	-	20 mm	-	-	-	-	-
NN3072	NTN	-	-	-	-	-	-	-	-
NN3060K	NTN	-	-	6 mm	-	-	-	-	-
NN4922	NTN	-	-	13 mm	-	-	-	-	-
NN496	NTN	-	-	108 mm	-	-	-	-	-
NN3024K	NTN	-	-	-	-	-	-	52 mm	-
NNU3022K	NTN	45.244 mm	-	-	-	-	-	-	-
4R3433	NTN	-	-	45 mm	-	-	-	-	-
NNU3076	NTN	66.675 mm	-	-	-	-	-	-	-
NN4944	NTN	-	-	55 mm	M 64x4	-	-	-	-
NN3952	NTN	45.244 mm	-	-	-	-	-	-	-
NNU49/500K	NTN	-	-	2.5 mm	-	-	-	-	10 mm
NN4934	NTN	31.75 mm	-	-	-	-	-	-	-
4R3231	NTN	-	-	14 mm	-	-	-	-	-
NNU4052	NTN	-	-	7 mm	-	-	-	-	-
4R3225	NTN	-	-	7 mm	-	-	-	-	-
4R4426	NTN	-	-	92 mm	-	-	-	-	-
NN4948K	NTN	-	-	18 mm	-	-	-	-	-

NN4052 NTN Tapered Roller Bearing	Fatigue load limit Pu:114 kN; G1:19 mm; Calculation factor Y1:1.9; b:16.7 mm; B2 ≈:119 mm; Calculation factor Y2:2.9; B:93 mm; Mass bearing + sleeve:30.5 kg; da min.:139 mm; ra max.:3 mm; d1:125 mm; Basic dynamic load rating C:1176 kN; Basic static load rating C0:1320 kN; B1:115 mm; d2 ≈:164 mm; Reference speed:1800 r/min; Calculation factor Y0:1.8; Da max.:263 mm; K:9 mm; Calculation factor e:0.35;
NN4944 NTN Tapered Roller Bearing	dk:105 mm; w:90 mm; G:M 64x4; l5 ≈:45 mm; Material constant KM:330; Basic dynamic load rating C:400 kN; Basic static load rating C0:655 kN; d:80 mm; α:5 °; C1 max.:48 mm; l3 min.:85 mm; l7 min.:90 mm; d4 ≈:105 mm; Mass rod end:15 kg; Specific dynamic load factor K:100 N/mm²; B:55 mm; h1:230 mm; r1 min.:1 mm; l4 max.:324 mm; d2 max.:182 mm;
NNU3068 NTN Tapered Roller Bearing	Pa:43.6 kN; P150°:113 kN; R1:115.888 mm; A2:247.65 mm; Cap bolt recommended tightening torque:1220 N·m; P90°:207 kN; H:360.363 mm; R2:37.306 mm; Bearing limiting speed:2600 r/min; H1:179.4 mm; L:628.65 mm; Da:309.999 mm; Stabilizing ring:SR-34-0; Housing:SSAFS 534; Mass pillow block:168 kg; P60°:345 kN; P180°:133 kN; H2:69.85 mm; S:4.763 mm; Initial grease fill:878.85 g;
4R3231 NTN Cylindrical Roller Bearing	B:14 mm; Bore Type:Cylindrical Bore; Weight:0.115 kg; Dynamic Load Rating:13,600 N; da (min):23 mm; Da (max):41 mm; Configuration:Single Row; Limiting Speed - Grease:16,000 rpm; Enclosure:Double Seal; Static Load Rating:6,550 N; Factor fo:12.3; ra (max):1 mm; Radial Clearance:0.011 to 0.025 mm; D:47 mm; d:17 mm;
4R3432 NTN Cylindrical Roller Bearing	Static moment stiffness:205 N·m/mrad; D2:48.2 mm; Static axial stiffnes:790 N/µm; Preload:1920 N; r1,2 min.:0.3 mm; Fatigue load limit Pu:2.2 kN; rb max.:0.6 mm; d:25 mm; D:57 mm; Mass bearing:0.36 kg; H:28 mm; da min.:32 mm; a:82 mm; r3,4 min.:0.6 mm; K:3 mm; Basic static load rating C0:60 kN; Attainable speed:3400 r/min; ra max.:0.3 mm; Frictional moment:0.4 N·m; Basic dynamic load rating C:30 kN;
4R4428 NTN Cylindrical Roller Bearing	D: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;
NN4921 NTN Tapered Roller Bearing	db (max):134 mm; Weight:2.510 kg; Static Load Rating:191,000 N; Da (max):170 mm; ra (max):2 mm; B:28 mm; r1:1.1 mm; Radial Clearance:0.085 to 0.125 mm; Dynamic Load Rating:139,000 N; Limiting Speed - Grease:3,400 rpm; Fillet Radius/Chamfer:2 mm; db (min):127 mm; d:120 mm; Configuration:Single Row; Limiting Speed - Oil:4,300 rpm; Enclosure:Open; Bore Type:Cylindrical Bore; ra1 (max):1 mm; dc (min):138 mm;
NN30/600	R2:33.337 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;
NNU4864	Limiting Speed - Oil:400 rpm; d:240 mm; Dynamic Load Rating:1,560,000 N; Weight:55.500 kg; c:4 mm; B:160 mm; C:159 mm; Bore Type:Cylindrical Bore; Static Load Rating:3,350,000 N; Fillet Radius/Chamfer:1.5 mm; D:360 mm; Enclosure:Double Seal; Configuration:Double Row;
NN394 NTN Tapered Roller Bearing	A2:171.45 mm; Cap bolt:2 x 1/2-13 UNC; P120°:13.3 kN; Taconite seal:TER 17; ba:25.4 mm; RG:1/8 NPT; Initial grease fill:82.215 g; h:33.337 mm; H:134.938 mm; da:36.513 mm; H2:25.4 mm; Pa:3.4 kN; L:244.475 mm; PG:1/8 NPT; End plug (suffix Y):EPR 3; H1:69.85 mm; R1:38.1 mm; Housing:SAF 609; A1:69.85 mm; Stabilizing ring:2 x SR-1609;
NN3932 NTN Tapered Roller Bearing	ba:46.038 mm; J min.:269.875 mm; H1:107.95 mm; Appropriate attachment bolt size G:0.625 in; Pa:14 kN; Da:170 mm; Stabilizing ring:SR-19-16; N1:19.05 mm; A1:98.425 mm; R2:26.988 mm; H:209.55 mm; Cap bolt recommended tightening torque:515.2 N·m; RG:3/8 NPT; J1:53.975 mm; Initial grease fill:181.44 g; R1:63.5 mm; P150°:30.7 kN; da:69.85 mm; End plug (suffix Y):EPR 8; Cap bolt:2 x 3/4-10 UNC;
NNU3028 NTN Tapered Roller Bearing	Limiting Speed - Oil:1,000 rpm; ra (max):4 mm; Axial Load Factor Y0:2.07; Enclosure:Open; Configuration:Double Row; B:146 mm; Center Guidance:Fixed Inner Ring Rib; Radial Clearance:0.170 to 0.260 mm; Limiting Speed - Grease:840 rpm; Axial Load Factor Y2:3.15; Retainer Material:Machined Brass; Bore Type:Cylindrical Bore; Fillet Radius/Chamfer:5 mm; Roller Profile:Symmetric; Weight:98.400 kg; d:280 mm;
4R3232 NTN Cylindrical Roller Bearing	P60°:423 kN; Cap bolt, SAE grade:5; A2:371.475 mm; J min.:628.65 mm; Eye bolt:2 x 1/2-13 UNC; Cap bolt recommended tightening torque:400 N·m; Ca:141.808 mm; Taconite seal:TER 153; Max. speed for Taconite seal:440 r/min; P150°:145 kN; Housing:SAF 638; ba:99.219 mm; H1:241.3 mm; L:831.85 mm; PG:1/4 NPT; End plug (suffix Y):EPR 21; Initial grease fill:2749.95 g; S:4.763 mm; A1:222.25 mm;
NN3092 NTN Tapered Roller Bearing	D1 ≈:149 mm; Fatigue load limit Pu:53 kN; Calculation factor Y0:2.5; Calculation factor Y2:3.7; Mass bearing:4.55 kg; Calculation factor Y1:2.5; Basic dynamic load rating C:386 kN; b:6 mm; Limiting speed:1700 r/min; Da max.:154 mm; da min.:111 mm; d2 ≈:112 mm; Basic static load rating C0:490 kN; K:3 mm; d:100 mm; B:52 mm; Calculation factor e:0.27; da max.:112 mm; r1,2 min.:2 mm; D:165 mm;

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Bearing NN4938K (NTN) | Size and Specification | Bearings

Cylindrical roller bearings NN4938K. Bearing number : NN4938K. Size (mm) : 190x244x69. Brand : NTN. Bore Diameter (mm) : 190. Outer Diameter (mm) : 244

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Browse Item # NN4938K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN in the NTN Bearing Corp. of America catalog including Item #

190x244x69 Original ... - Original NTN NN4938K bearing

Cylindrical roller bearings NN4938K. Bearing number : NN4938K. Size (mm) : 190x244x69. Brand : NTN. Bore Diameter (mm) : 190. Outer Diameter (mm) : 244

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NN4938K NTN Bearing | NN4938K NN3038K. 190 190. 260

Title: NTN Precision Bearing Catalog, 2260, Author: NTN Bearing Corporation of America, Name: ... NN4938K NN3038K. 190 190. 260 290. 69 75. 2 2.1

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Brand Name	NTN
Model Number	NN4938K
Min.Order Quantity	1 pcs
Price	Negotiable