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NN302 NTN Tapered Roller Bearing

Name: NN302 NTN Tapered Roller Bearing
Brand: NTN
SKU: NN302
Rating: 4.9 (5 reviews)

NTN NN302 Bearing SPECIFICATIONS

NN302 NTN Tapered Roller Bearing Needs 0.05 Coefficient of friction µ min. Analysis , Thrust Spherical Roller Bearing Manufacturing Service . Get H7 Tolerance housing Your NACHI BEARINGS OF AMERICA CORP. Free.
Brand Name:NTN
Model Number:
NN302
Tolerance housing:H7
Specific static load factor K0:20 N/mm²
Coefficient of friction µ min.:0.05
D:12 mm
Permissible sliding velocity v min.:0.25 m/s
Mass bushing:0.006 kg
Specific dynamic load factor K:10 N/mm²
Coefficient of friction µ max.:0.1

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NACHI BEARINGS OF AMERICA CORP.2020-07-10 09:46:19
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Thrust Spherical Roller Bearing Specification details

Tolerance housing:H7
Specific static load factor K0:20 N/mm²
Coefficient of friction µ min.:0.05
D:12 mm
Permissible sliding velocity v min.:0.25 m/s
Mass bushing:0.006 kg
Specific dynamic load factor K:10 N/mm²
Coefficient of friction µ max.:0.1
Tolerance shaft:h8
Permissible sliding velocity v max.:5 m/s
d:5 mm
B:10 mm

NTN NN302 NN302 NTN Tapered Roller Bearing Product Features

NNU4992	Material constant KM:330; Mass plain bearing:7 kg; Da min.:139.5 mm; dk:146.05 mm; Da max.:152.5 mm; da min.:108 mm; Basic dynamic load rating C:900 kN; r2 min.:1 mm; Basic static load rating C0:2650 kN; da max.:115.5 mm; α:6 °; Sealing solution:Triple-lip seals; r1 min.:0.6 mm; Specific static load factor K0:300 N/mm²; B:88.9 mm; b:10.5 mm; M:8 mm; rb max.:1 mm; d:101.6 mm; Specific dynamic load factor K:100 N/mm²;
NNU4936K NTN Cylindrical Roller Bearing	Oil:237.810 kN; Static (Cor):16.7 mm; with cylindrical bore:900 min-1; D:400 mm; Grease:2790 kN; Dynamic (Cr):9 mm; Pu:1580 kN; rs (min):4 mm; d:260 mm; B:104 mm; with tapered bore:1 200 min-1;
4R3428 NTN Cylindrical Roller Bearing	B1:171.399 mm; d3 max.:240.64 mm; Sleeve:S 138x7; B4:32.537 mm; d:190 mm; B:28.829 mm; Threads per inch:8; G:189.789 mm; d1:177.8 mm; Mass adapter sleeve assembly:12.5 kg; Hydraulic nut:HMVC 38E;
NN3026 NTN Tapered Roller Bearing	dk:66 mm; l7 min.:58 mm; Specific dynamic load factor K:100 N/mm²; r1 min.:0.6 mm; B:35 mm; Mass rod end:3.3 kg; Material constant KM:330; Basic static load rating C0:245 kN; Basic dynamic load rating C:156 kN; d2 max.:114 mm; l1 min.:104 mm; h:185 mm; G:M 45x3; C1 max.:31 mm; l2 max.:244 mm; d:50 mm; α:6 °;
NNU4984	da:112.713 mm; ba:51.594 mm; Ca:62.789 mm; H1:125.425 mm; H:239.713 mm; Max. speed for PosiTrac Plus seal:1300 r/min; A1:120.65 mm; J max.:368.3 mm; PosiTrac Plus contact element:2 x B10724-117; P90°:89 kN; RG:3/8 NPT; N1:22.225 mm; J min.:320.675 mm; Cap bolt, SAE grade:5; Housing:SAF 026 KA; Pa:20.2 kN; Stabilizing ring:2 x 38151-26; End plug (suffix Y):EPR 15; R2:31.75 mm; J1:69.85 mm;
4R3628 NTN Cylindrical Roller Bearing	Pa:16.7 kN; R2:30.163 mm; P60°:141 kN; Stabilizing ring:2 x 38151-24; A1:111.125 mm; h:40.481 mm; PosiTrac Plus contact element:2 x B10724-113; ba:46.831 mm; Cap bolt:5/8-11 UNC; Labyrinth ring:2 x LOR 112; L:387.35 mm; Mass pillow block:39.5 kg; PG:1/4 NPT; RG:3/8 NPT; A2:155.575 mm; Max. speed for PosiTrac Plus seal:1350 r/min; H:222.25 mm; P90°:84.5 kN; P120°:52.5 kN; Cap bolt, SAE grade:8;
NNU4972 NTN Tapered Roller Bearing	Da:63.5 mm; Db:65 mm; Housing material:Composite; Hexagonal key size for grub screw N:2.5 mm; Basic static load rating C0:7.8 kN; B1:33 mm; d2:41.7 mm; Recommended tightening torque for grub screw:4.2 N·m; A5:18 mm; A1:15 mm; Recommended diameter for attachment bolts, mm G:10 mm; A3:3.2 mm; Mass bearing unit:0.29 kg; N:12.3 mm; s1:21 mm; Fatigue load limit Pu:0.335 kN; Basic dynamic load rating C:14 kN;
NN4921 NTN Tapered Roller Bearing	P180°:84.5 kN; Max. speed for PosiTrac Plus seal:1300 r/min; J1:82.55 mm; Stabilizing ring:SR-26-0; P120°:73.8 kN; L:466.725 mm; Cap bolt recommended tightening torque:400 N·m; PG:1/4 NPT; A1:133.35 mm; S:4.763 mm; R1:79.375 mm; H2:60.325 mm; R2:36.513 mm; ba:57.944 mm; Cap bolt, SAE grade:5; Eye bolt:3/8-16 UNC; Labyrinth ring:2 x LOR 116; J min.:371.475 mm; RG:1/2 NPT; Da:230 mm;
NNU4948K NTN Cylindrical Roller Bearing	d2 ≈:394 mm; Da min.:454 mm; r1,2 min.:5 mm; ra max.:4 mm; Mass bearing + sleeve:125 kg; da max.:425 mm; Limiting speed:1300 r/min; Basic static load rating C0:5000 kN; d3:400 mm; Ba min.:14 mm; B:133 mm; Ca min.:2.1 mm; Basic dynamic load rating C:2900 kN; d1:320 mm; db min.:355 mm; D:520 mm; B2:45 mm; B1:187 mm; Da max.:502 mm; Reference speed:950 r/min;
4R4444 NTN Cylindrical Roller Bearing	Coefficient of friction µ min.:0.08; B:350 mm; Coefficient of friction µ max.:0.15; D:250 mm; α:124 °; Tolerance shaft:e7; Permissible sliding velocity v max.:0.5 m/s; Mass bushing:23.2 kg; Tolerance housing:H7; Specific static load factor K0:45 N/mm²; Permissible sliding velocity v min.:0 m/s; a:17.5 mm; Specific dynamic load factor K:25 N/mm²; h:232.5 mm; d:230 mm;
NN3040K	Reference 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;
4R442 NTN Cylindrical Roller Bearing	d3:1000 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;
NN3026K	B4:4 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;
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;
4R3433 NTN Cylindrical Roller Bearing	Tolerance shaft:h8; D:32 mm; Permissible sliding velocity v max.:5 m/s; B:20 mm; Specific static load factor K0:20 N/mm²; Permissible sliding velocity v min.:0.25 m/s; Coefficient of friction µ min.:0.05; Mass bushing:0.052 kg; Specific dynamic load factor K:10 N/mm²; d:22 mm; Tolerance housing:H7; Coefficient of friction µ max.:0.1;
NNU4932K	Housing:SAF 530; Eye bolt:2 x 3/8-16 UNC; Stabilizing ring:SR-30-0; Ca:82.804 mm; P150°:80.1 kN; Cap bolt, SAE grade:5; Initial grease fill:623.7 g; H2:63.5 mm; P120°:87.2 kN; Taconite seal:TER 126; RG:3/4 NPT; H1:160.325 mm; S:4.763 mm; L:539.75 mm; R2:39.688 mm; Mass pillow block:91.6 kg; J min.:431.8 mm; A1:158.75 mm; Da:269.999 mm; Cap bolt:4 x 3/4-10 UNC;

No.	Brand	U	E	w	b	L	N	K	C
NN302	NTN	-	-	-	-	-	-	-	-
4R2832	NTN	-	-	-	-	-	-	-	-
NN4922K	NTN	-	-	-	-	-	-	-	-
NN3072K	NTN	-	-	-	-	-	-	-	-
4R4811	NTN	-	-	-	-	-	-	-	-
NN3064	NTN	-	-	-	-	-	-	-	-
NN394	NTN	-	-	-	-	-	-	-	-
NN4926K	NTN	-	-	-	-	-	-	-	-
NNU4972	NTN	-	-	-	-	-	12.3 mm	-	-
NN3022	NTN	-	-	-	-	-	-	-	-
NN3956K	NTN	-	-	-	-	869.95 mm	-	-	-
NNU494	NTN	-	-	-	-	139.7 mm	-	-	-
NN3032K	NTN	-	-	-	-	-	-	-	16 mm
4R3224	NTN	-	-	-	-	679.45 mm	-	-	-
NN3026K	NTN	-	-	-	-	57 mm	-	-	-
NNU4996K	NTN	-	-	-	10.5 mm	-	-	-	66.675 mm
NN3896	NTN	-	-	-	-	-	-	-	-
NN4940K	NTN	-	-	-	-	-	-	-	-
NN30/600	NTN	-	-	-	-	266.7 mm	-	-	-
4R3431	NTN	-	-	-	22.3 mm	-	-	-	-
NNU48/600	NTN	-	-	-	-	-	-	-	-
NN4926	NTN	-	-	-	22.3 mm	-	-	12 mm	-

NN302 NTN Tapered Roller Bearing Video

NTN NN302 INTERCHANGE

Thrust Spherical Roller Bearing Part series NN302 is a potential replacement for these common bearing part numbers:

NSKNN302
SKFNN302
NTNNN302
FAGNN302
TIMKENNN302
KOYONN302
NACHINN302
DODGENN302

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