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NNU4992

Name: NNU4992
Brand: NTN
SKU: NNU4992
Rating: 4.9 (5 reviews)

NTN NNU4992 Bearing SPECIFICATIONS

Browse NNU4992 Categories in the Manufacturers Online NACHI BEARINGS OF AMERICA CORP. 330 Material constant KM 139.5 mm Da min. Free. including Thrust Spherical Roller Bearing.
Brand Name:NTN
Model Number:
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

Download NTN NNU4992 Spec Sheet

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Thrust Spherical Roller Bearing Specification details

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

NNU4992 pdf

NTN NNU4992 NNU4992 Product Features

NNU4856 NTN Tapered Roller Bearing	Pu: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;
NN3964 NTN Tapered Roller Bearing	Basic dynamic load rating C:19.8 kN; Ew:40 mm; Fatigue load limit Pu:4.65 kN; Basic static load rating C0:39 kN; Reference speed:12000 r/min; Mass needle roller and cage assembly:0.021 kg; U:17 mm; Fw:35 mm; Limiting speed:13000 r/min;
NN3984	dk:66 mm; w:60 mm; Specific dynamic load factor K:150 N/mm²; d:50 mm; G:M 52x3; B:35 mm; Material constant KM:330; d4 ≈:70 mm; l7 min.:60 mm; α:6 °; Basic dynamic load rating C:236 kN; Mass rod end:4.5 kg; l5 ≈:30 mm; r1 min.:0.6 mm; Basic static load rating C0:270 kN; C1 max.:31 mm; d2 max.:114 mm; h1:195 mm; l3 min.:68 mm; l4 max.:254 mm;
4R4026 NTN Cylindrical Roller Bearing	r1,2 min.:2 mm; D:90 mm; d:40 mm; r3,4 min.:1.5 mm; Da min.:71 mm; Reference speed:5600 r/min; Basic static load rating C0:81.5 kN; Calculation factor Y:0.72; C:17 mm; Da max.:82.5 mm; Fatigue load limit Pu:9.5 kN; Cb min.:8 mm; Basic dynamic load rating C:91.1 kN; da max.:51 mm; Mass bearing:0.72 kg; B:23 mm; rb max.:1.5 mm; Calculation factor Y0:0.4; db min.:50 mm; Dimension series:7FB;
NN3022K NTN Cylindrical Roller Bearing	S:4.763 mm; P120°:45.4 kN; Stabilizing ring:SR-18-15; Initial grease fill:141.75 g; P150°:40.5 kN; Da:160 mm; H:192.088 mm; Appropriate attachment bolt size G:0.75 in; Housing:SAF 615; Cap bolt, SAE grade:8; End plug (suffix Y):EPR 7; PG:1/8 NPT; N1:22.225 mm; Bearing limiting speed:4300 r/min; Ca:64.795 mm; P180°:49.8 kN; P90°:72.5 kN; P60°:121 kN; R2:27.94 mm; RG:3/8 NPT;
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;
NN306 NTN Tapered Roller Bearing	l4 max.:219 mm; G:M 45x3; d2 max.:104 mm; B:32 mm; l5 ≈:30 mm; d4 ≈:65 mm; r1 min.:0.6 mm; Mass rod end:3.2 kg; d:45 mm; w:55 mm; Material constant KM:330; Basic dynamic load rating C:190 kN; Specific dynamic load factor K:150 N/mm²; h1:165 mm; α:7 °; l3 min.:65 mm; l7 min.:48 mm; C1 max.:28 mm; Basic static load rating C0:224 kN; dk:60 mm;
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;
NN3048K NTN Cylindrical Roller Bearing	Attachment bolt diameter G:22.225 mm; H1:95.25 mm; da:88.9 mm; L:355.6 mm; H:190.5 mm; H2:57.15 mm; Mass bearing unit:16.1 kg; J max.:290.512 mm; Limiting speed:2600 r/min; Basic dynamic load rating C:325 kN; B:80.169 mm; S:0.794 mm; A:92.075 mm; J min.:268.288 mm; s:40.084 mm;
4R2832 NTN Cylindrical Roller Bearing	Basic 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;
NN3084	D:1150 mm; Weight:1980 ; Dynamic (Cr):12896 kN; d:800 mm; B1:325 mm; Static (Cor):31930 ; B:490 mm; Bearing designation:PLC 512-58 ; Pu:1966.450 kg;
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;
NNU30/56 NTN Tapered Roller Bearing	db min.:58 mm; Mass bearing:0.55 kg; da max.:53 mm; Db min.:76 mm; Reference speed:6700 r/min; Ca min.:5 mm; Da max.:76.5 mm; Fatigue load limit Pu:11.8 kN; Cb min.:4.5 mm; d1 ≈:62.2 mm; B:25.4 mm; Basic dynamic load rating C:99.1 kN; Calculation factor Y0:1; Dimension series:25500; r1,2 min.:3.5 mm; C:19.05 mm; Calculation factor e:0.33; Basic static load rating C0:106 kN; rb max.:0.8 mm; T:23.812 mm;
NN3926K NTN Cylindrical Roller Bearing	Fatigue load limit Pu:1800 kN; F:550 mm; Basic static load rating C0:22000 kN; Design variant/feature:BC4.10/W33WI; Mass bearing:500 kg; K:12 mm; B:450 mm; D:680 mm; Basic dynamic load rating C:8250 kN; d:500 mm; Calculation factor kr:620; r3,4 min.:2 mm; D1 ≈:621.6 mm; b:22.3 mm; r1,2 min.:6 mm; C:450 mm;
NNU4864	P90°:207 kN; H2:69.85 mm; J min.:492.125 mm; J1:107.95 mm; L:628.65 mm; P180°:133 kN; Labyrinth ring:2 x LOR 141; Pa:43.6 kN; Cap bolt, SAE grade:8; PG:1/4 NPT; da:152.4 mm; RG:3/4 NPT; J max.:549.275 mm; h:54.769 mm; Cap bolt:1-8 UNC; P60°:345 kN; ba:74.612 mm; R2:37.306 mm; Initial grease fill:878.85 g; End plug (suffix Y):EPR 18;
NN4956 NTN Tapered Roller Bearing	r1 min.:0.6 mm; dk:53 mm; l4 max.:191 mm; Mass rod end:2.2 kg; Material constant KM:330; d:40 mm; Basic static load rating C0:166 kN; l7 min.:50 mm; α:6 °; Specific dynamic load factor K:100 N/mm²; l3 min.:65 mm; d4 ≈:58 mm; G:M 39x3; B:28 mm; w:50 mm; h1:142 mm; Basic dynamic load rating C:100 kN; l5 ≈:25 mm; C1 max.:24 mm; d2 max.:94 mm;

No.	Brand	U	E	w	b	L	N	K	C
NN3938	NTN	-	673 mm	-	-	-	-	-	-
NNU4932	NTN	-	-	-	-	558.8 mm	-	-	-
NN3928	NTN	-	-	-	-	127 mm	-	-	-
NN3084K	NTN	-	-	-	-	-	-	-	17.5 mm
NN30/600	NTN	-	-	-	-	266.7 mm	-	-	-
NN3072	NTN	-	-	-	-	101.6 mm	-	-	-
NNU304	NTN	-	-	-	-	187.325 mm	-	-	-
NNU4926K	NTN	-	-	-	-	-	24 mm	-	-
NN4924	NTN	-	-	-	-	-	-	-	-
NN3952K	NTN	-	-	-	-	-	-	-	-
NNU4936	NTN	-	-	-	4.8 mm	-	-	-	26.187 mm
4R3426	NTN	-	-	-	-	-	-	-	-
4R4614	NTN	-	-	-	-	628.65 mm	-	-	-
NN4956K	NTN	-	-	-	-	330.2 mm	-	-	-
NN3944	NTN	-	-	-	-	193.675 mm	-	-	-
NNU3034	NTN	-	-	-	-	-	-	-	-
NNU38/5	NTN	-	-	-	-	-	-	-	-
NNU313	NTN	-	-	-	-	-	-	-	-
4R4428	NTN	-	-	-	-	-	-	-	23.812 mm
4R3056	NTN	-	-	-	4 mm	-	-	3 mm	-
NN3948	NTN	-	-	-	-	118 mm	14.8 mm	-	-

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Thrust Spherical Roller Bearing Part series NNU4992 is a potential replacement for these common bearing part numbers:

NSKNNU4992
SKFNNU4992
NTNNNU4992
FAGNNU4992
TIMKENNNU4992
KOYONNU4992
NACHINNU4992
DODGENNU4992

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