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NNU306 NTN Tapered Roller Bearing

Name: NNU306 NTN Tapered Roller Bearing
Brand: NTN
SKU: NNU306
Rating: 4.9 (5 reviews)

NTN NNU306 Bearing SPECIFICATIONS

With over 10170 full-service stores, our NNU306 NTN Tapered Roller Bearing inventory is extensive and our 1250 mm D parts are NACHI BEARINGS OF AMERICA CORP. priced right. within 24 hours. This helps you maximize your productivity by saving time and your hard-earned 987 Weight dollars.
Brand Name:NTN
Model Number:
NNU306
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

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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

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

NTN NNU306 NNU306 NTN Tapered Roller Bearing Product Features

NNU49/75 NTN Tapered Roller Bearing	P180°:48.9 kN; Appropriate attachment bolt size G:0.75 in; A1:111.125 mm; J min.:295.275 mm; J max.:333.375 mm; Pa:31.6 kN; P120°:44.5 kN; Mass pillow block:26.8 kg; H:217.488 mm; R1:58.737 mm; Labyrinth ring (db shaft position):LOR 118; N1:22.225 mm; Da:180 mm; db:114.3 mm; ba:38.894 mm; H2:44.45 mm; Bearing limiting speed:3400 r/min; Stabilizing ring:2 x SR-1520; h:42.069 mm; J1:60.325 mm;
NN4926K NTN Cylindrical Roller Bearing	A1:222.25 mm; h:69.85 mm; J max.:708.025 mm; Stabilizing ring:2 x A8898; Appropriate attachment bolt size G:1.5 in; P90°:414 kN; Ca:117.805 mm; da:239.713 mm; Labyrinth ring:2 x LOR 553; Mass pillow block:342 kg; H2:95.25 mm; RG:1 NPT; Pa:81.4 kN; N1:41.275 mm; PosiTrac Plus contact element:2 x B10724-178; R2:46.831 mm; Da:399.999 mm; Cap bolt recommended tightening torque:4284.4 N·m; Housing:SAFS 052 KA;
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;
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;
NN3936 NTN Tapered Roller Bearing	H2:30.163 mm; db:73.025 mm; Cap bolt:2 x 1/2-13 UNC; Initial grease fill:136.08 g; J1:47.625 mm; dc:57.15 mm; PosiTrac Plus contact element (dc shaft position):B10724-32; R1:49.212 mm; H1:82.55 mm; J min.:219.075 mm; Labyrinth ring (dc shaft position):LOR 33; Appropriate attachment bolt size G:0.5 in; Max. speed for PosiTrac Plus seal:2150 r/min; P150°:13.8 kN; End plug (suffix Y):EPR 7; Stabilizing ring:2 x SR-1612;
4R3432 NTN Cylindrical Roller Bearing	B1:425 mm; d:750 mm; Mass withdrawal sleeve:238 kg; G:Tr 800x7; Hydraulic nut:HMV 160 E; G1:60 mm; d1:710 mm; A:15 mm; G2:G 1/4; B2:441 mm;
NNU48/63 NTN Tapered Roller Bearing	Mass pillow block:14.3 kg; R2:21.431 mm; Housing:SSAFS 515; Bearing limiting speed:6300 r/min; H:161.925 mm; A2:120.65 mm; H1:82.55 mm; P120°:36.9 kN; Cap bolt:2 x 1/2-13 UNC; Labyrinth ring:2 x LOR 36; Initial grease fill:68.04 g; da:60.325 mm; Pa:6.94 kN; P60°:104 kN; P180°:40 kN; P90°:59.6 kN; S:3.175 mm; P150°:33.4 kN; R1:46.038 mm; Cap bolt, SAE grade:8;
NNU4972K NTN Cylindrical Roller Bearing	Cap bolt:7/8-9 UNC; PG:1/4 NPT; RG:3/4 NPT; Initial grease fill:481.95 g; Housing:SSAFS 034 KA; Cap bolt, SAE grade:8; Labyrinth ring:2 x LOR 141; H1:152.4 mm; P90°:180 kN; h:44.45 mm; Stabilizing ring:2 x SR-0-24; da:152.4 mm; R1:87.313 mm; P120°:116 kN; End plug (suffix Y):EPR 18; A1:149.225 mm; PosiTrac Plus contact element:2 x B10724-140; ba:64.294 mm; L:511.175 mm; H:298.45 mm;
NNU4920K	Permissible sliding velocity v max.:0.5 m/s; α:124 °; a:10 mm; h:212.5 mm; B:200 mm; d:210 mm; Specific dynamic load factor K:25 N/mm²; Coefficient of friction µ min.:0.08; Mass bushing:12.2 kg; Tolerance shaft:e7; Permissible sliding velocity v min.:0 m/s; Tolerance housing:H7; D:230 mm; Specific static load factor K0:45 N/mm²; Coefficient of friction µ max.:0.15;
NN4932 NTN Tapered Roller Bearing	A:29.5 mm; Db1:57 mm; L:86 mm; Hexagonal key size for grub screw N:3 mm; Recommended tightening torque for grub screw:4 N·m; J7:16 mm; A1:11 mm; J6:74 mm; RG:1/4-28 UNF; d:20 mm; N:11.5 mm; A3:3.2 mm; s1:26.6 mm; Basic static load rating C0:6.55 kN; Db2:63 mm; Recommended diameter for attachment bolts, inch G:0.375 in; Thread grub screw G2:M6x0.75; Limiting speed:1800 r/min; Da:68.3 mm; Recommended diameter for attachment bolts, mm G:10 mm;
NNU4988K NTN Cylindrical Roller Bearing	b:7 mm; Mass:0.41 kg; d1:70 mm; d5:74 mm; Associated spanner (Hook spanner in accordance with DIN 1810):HN 10-11; h:3 mm; B:25 mm; Recommended tightening torque:4.2 N·m; G:M 50x1.5; d3:75 mm; Grub (set) / Locking screw size:M 4;
NNU488 NTN Tapered Roller Bearing	F:260 mm; Mass bearing:58 kg; Fatigue load limit Pu:390 kN; C:206 mm; B:206 mm; Design variant/feature:BC4.1/WO; s:3 mm; d:230 mm; Basic dynamic load rating C:2010 kN; Basic static load rating C0:4000 kN; r3,4 min.:2.1 mm; D:330 mm; r1,2 min.:2.1 mm; D1 ≈:297 mm;
4R383 NTN Cylindrical Roller Bearing	B4:25.4 mm; d1:114.3 mm; B1:95.301 mm; Mass adapter sleeve assembly:3.8 kg; d3 max.:155.702 mm; Sleeve:S 26x4.1/2; d:130 mm; B:22.479 mm; Threads per inch:12; Hydraulic nut:HMVC 26E; G:129.692 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;
NN3021 NTN Tapered Roller Bearing	M:15 mm; B:36 mm; Spring washer in accordance with DIN 128:A 12; Mass locking clip:0.076 kg; M3:14 mm; Hexagonal head bolt:M 12x25; M2:28 mm; M1:5 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;

No.	Brand	U	E	w	b	L	N	K	C
NN49/95	NTN	-	-	-	-	-	-	-	-
4R4428	NTN	-	-	-	-	-	-	-	23.812 mm
NNU4968K	NTN	-	-	-	-	-	-	-	-
NN3952K	NTN	-	-	-	-	-	-	-	-
NNU4996K	NTN	-	-	-	10.5 mm	-	-	-	66.675 mm
4R3042	NTN	-	-	-	-	-	-	-	106 mm
NN3928	NTN	-	-	-	-	127 mm	-	-	-
NNU4956	NTN	-	-	-	-	-	-	-	-
NNU4936K	NTN	-	-	-	-	-	-	-	-
4R4027	NTN	-	-	-	-	-	-	-	-
NNU4924K	NTN	-	-	-	-	-	-	-	-
NNU3064	NTN	-	-	-	-	-	-	-	-
NNU49/560K	NTN	-	-	-	-	349.25 mm	-	-	-
4R3029	NTN	-	-	-	-	-	-	-	-
NNU3034K	NTN	-	-	-	-	-	-	-	-
NNU3072	NTN	-	-	-	-	-	-	-	-
4R383	NTN	-	-	-	-	-	-	-	-
NN4921K	NTN	-	-	-	-	-	-	-	-
NNU3164	NTN	-	-	-	22.3 mm	-	-	12 mm	-
NN4968	NTN	-	-	-	-	-	-	-	-
4R4811	NTN	-	-	-	-	-	-	-	-
NN3044	NTN	-	-	-	-	-	-	-	-
NN3080K	NTN	-	-	-	-	100 mm	14 mm	-	-
4R3817	NTN	-	-	-	13 mm	-	-	7.5 mm	-
4R382	NTN	-	-	-	-	-	-	-	-
NN3936K	NTN	-	-	-	-	126 mm	-	-	-
NNU38/8	NTN	-	-	-	-	-	-	-	-
NN3938	NTN	-	673 mm	-	-	-	-	-	-

NNU306 NTN Tapered Roller Bearing Video

NTN NNU306 INTERCHANGE

Thrust Spherical Roller Bearing Part series NNU306 is a potential replacement for these common bearing part numbers:

NSKNNU306
SKFNNU306
NTNNNU306
FAGNNU306
TIMKENNNU306
KOYONNU306
NACHINNU306
DODGENNU306

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