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NNU494 NTN Tapered Roller Bearing

Name: NNU494 NTN Tapered Roller Bearing
Brand: NTN
SKU: NNU494
Rating: 4.9 (5 reviews)

NTN NNU494 Bearing SPECIFICATIONS

170 Million used NNU494 NTN Tapered Roller Bearing instantly searchable. Shop our large selection of parts based on brand, 19.05 mm A6 price, 57.15 mm A description, and location. Order NACHI BEARINGS OF AMERICA CORP. the Thrust Spherical Roller Bearing with stock ...
Brand Name:NTN
Model Number:
NNU494
A6:19.05 mm
A:57.15 mm
A1:75.406 mm
a:2.381 mm
B:73.025 mm
Limiting speed:4100 r/min
J:111.125 mm
N1:14.287 mm

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Thrust Spherical Roller Bearing Specification details

A6:19.05 mm
A:57.15 mm
A1:75.406 mm
a:2.381 mm
B:73.025 mm
Limiting speed:4100 r/min
J:111.125 mm
N1:14.287 mm
da:50.8 mm
Attachment bolt diameter G:12.7 mm
Basic dynamic load rating C:84.5 kN
A5:27.781 mm
S:0.794 mm
L:139.7 mm
Mass bearing unit:4.99 kg
d2:73.819 mm
s:25.4 mm

NTN NNU494 NNU494 NTN Tapered Roller Bearing Product Features

NN3072	Rα:45 °; Limiting speed:2800 r/min; Mass bearing unit:1.8 kg; L:101.6 mm; A5:31.5 mm; Basic dynamic load rating C:26 kN; Recommended tightening torque for grub screw:6.5 N·m; RG:1/4-28 UNF; Recommended diameter for attachment bolts, inch G:0.5 in; Basic static load rating C0:19 kN; d:38.1 mm; Db1:96.5 mm; J:143.7 mm; s1:30.2 mm; Hexagonal key size for grub screw N:3.969 mm; Housing:FYTWR 508 Y;
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;
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;
NN30/5 NTN Tapered Roller Bearing	d:406.4 mm; Mass bearing:370 kg; r1,2 min.:9.7 mm; Comparative radial load rating CF:1860 kN; B:434.975 mm; r3,4 min.:1.5 mm; Fatigue load limit Pu:1270 kN; d1 ≈:486 mm; Design variant/feature:TQI; Calculation factor e:0.33; Calculation factor Y1:2; Basic dynamic load rating C:6930 kN; Thrust factor K:1.8; Comparative axial load rating CFa:294 kN; Calculation factor Y2:3; Calculation factor Y0:2;
NNU4088 NTN Tapered Roller Bearing	Specific 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;
NN493 NTN Tapered Roller Bearing	Basic 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;
4R3639 NTN Cylindrical Roller Bearing	Coefficient of friction µ min.:0.05; Specific dynamic load factor K:10 N/mm²; Specific static load factor K0:20 N/mm²; D:72 mm; Permissible sliding velocity v min.:0.25 m/s; d:60 mm; Tolerance housing:H7; Permissible sliding velocity v max.:5 m/s; Mass bushing:0.38 kg; B:60 mm; Coefficient of friction µ max.:0.1; Tolerance shaft:h8;
NNU49/530K NTN Cylindrical Roller Bearing	Tolerance housing:H7; d:30 mm; D:50 mm; Coefficient of friction µ max.:0.1; Mass bushing:0.47 kg; Specific static load factor K0:20 N/mm²; Permissible sliding velocity v max.:5 m/s; Tolerance shaft:h8; Coefficient of friction µ min.:0.05; B:60 mm; Permissible sliding velocity v min.:0.25 m/s; Specific dynamic load factor K:10 N/mm²;
NNU4926K	N:24 mm; A1:110 mm; N1:18 mm; da:85 mm; J6:348 mm; Housing:FSNL 520-617 RU; Da:180 mm; Q180°:310 kN; H2:40 mm; P180°:310 kN; Oil seal:2 x TSN 317 U; J:320 mm; A2:181 mm; H:218 mm; P55°:620 kN; db:100 mm; P150°:250 kN; Appropriate attachment bolt, rec. tightening torque:200 N·m; Cap bolt, rec. tightening torque:200 N·m; P90°:370 kN;
NNU3076 NTN Tapered Roller Bearing	R2:41.275 mm; R1:114.3 mm; A2:254 mm; P150°:173 kN; H:377.825 mm; Stabilizing ring:SR-36-30; ba:75.406 mm; PosiTrac Plus contact element:2 x B10724-148; da:160.338 mm; Initial grease fill:1304.1 g; End plug (suffix Y):EPR 19; A1:180.975 mm; N1:28.575 mm; Appropriate attachment bolt size G:1 in; P120°:196 kN; J max.:600.075 mm; Housing:SAFS 536; Eye bolt:2 x 3/8-16 UNC; H1:190.5 mm; P60°:535 kN;
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;
NN3021K	Permissible sliding velocity v min.:0.25 m/s; Specific dynamic load factor K:10 N/mm²; Tolerance housing:H7; Permissible sliding velocity v max.:5 m/s; Specific static load factor K0:20 N/mm²; Coefficient of friction µ min.:0.05; Coefficient of friction µ max.:0.1; B:16 mm; Tolerance shaft:h8; D:18 mm; d:8 mm; Mass bushing:0.02 kg;
NN3088K NTN Cylindrical Roller Bearing	da max.:87.2 mm; Specific dynamic load factor K:150 N/mm²; Lubricant:Maintenance free &nd; Design (sliding contact surface combination):Steel/steel; Da min.:112.9 mm; ra max.:1 mm; b:9.5 mm; Specific static load factor K0:500 N/mm²; da min.:87.2 mm; M:5 mm; D:130 mm; b1:9.5 mm; dk:115 mm; Material constant KM:330; r2 min.:1 mm; B:75 mm; rb max.:1 mm; r1 min.:1 mm; C:50 mm; Da max.:123.5 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;
4R4445 NTN Cylindrical Roller Bearing	Basic dynamic load rating C:29.6 kN; Recommended tightening torque for grub screw:16.5 N·m; Db:115 mm; Thread grub screw G2:3/8-24 UNF; B4:9 mm; B:51.6 mm; Fatigue load limit Pu:0.98 kN; H:197 mm; Recommended diameter for attachment bolts, inch G:0.625 in; Hexagonal key size for grub screw N:4.763 mm; Limiting speed:2200 r/min; Recommended diameter for attachment bolts, mm G:16 mm; Housing material:Composite for food a;
NN3044 NTN Tapered Roller Bearing	Mass adapter sleeve assembly:0.15 kg; G:M 35x1.5; B1:35 mm; d1:30.163 mm; d3:52 mm; d:35 mm; B:11.5 mm;

No.	Brand	U	E	w	b	L	N	K	C
NN4952K	NTN	-	-	-	-	-	-	-	-
NN4932	NTN	-	-	-	-	86 mm	11.5 mm	-	-
NN304	NTN	-	-	-	-	-	-	-	-
NN3024	NTN	-	-	-	4.6 mm	-	-	-	28 mm
NN3060K	NTN	-	-	-	-	-	-	-	-
NNU38/75	NTN	-	-	-	-	-	-	-	-
4R4614	NTN	-	-	-	-	628.65 mm	-	-	-
NNU4948	NTN	-	-	-	-	-	-	-	-
NNU38/8	NTN	-	-	-	-	-	-	-	-
NNU493	NTN	-	-	-	-	-	-	-	-
4R3618	NTN	-	-	-	-	-	-	-	-
NN30/600	NTN	-	-	-	-	266.7 mm	-	-	-
NN3196	NTN	-	-	-	-	234.95 mm	-	-	-
NN3044	NTN	-	-	-	-	-	-	-	-
NN4964	NTN	-	-	-	-	-	-	-	27 mm
4R4429	NTN	-	-	-	-	-	-	-	-
NNU496	NTN	-	-	-	-	-	-	-	-
NN3028	NTN	-	-	-	4.8 mm	-	-	-	33.325 mm
NN404	NTN	-	-	-	-	161.925 mm	-	-	-
4R3029	NTN	-	-	-	-	-	-	-	-
NN4930K	NTN	-	-	-	4.6 mm	-	-	-	25 mm
NNU4924K	NTN	-	-	-	-	-	-	-	-
4R4444	NTN	-	-	-	-	-	-	-	-
4R4819	NTN	-	-	-	-	-	-	-	-
NNU4988K	NTN	-	-	-	7 mm	-	-	-	-
4R4041	NTN	-	-	-	-	-	-	-	-
NN393	NTN	-	-	-	-	-	18 mm	-	-
NNU4992	NTN	-	-	-	10.5 mm	-	-	-	-
NNU49/530	NTN	-	-	-	-	711.2 mm	-	-	-
4R383	NTN	-	-	-	-	-	-	-	-

NNU494 NTN Tapered Roller Bearing Video

NTN NNU494 INTERCHANGE

Thrust Spherical Roller Bearing Part series NNU494 is a potential replacement for these common bearing part numbers:

NSKNNU494
SKFNNU494
NTNNNU494
FAGNNU494
TIMKENNNU494
KOYONNU494
NACHINNU494
DODGENNU494

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