| 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; |
| 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; |
| NN3092K NTN Cylindrical Roller Bearing | r1 max.:0.6 mm; Lw:23.8 mm; Dw:3 mm; Mass needle roller:1.32 g; r2 max.:0.8 mm; r1,2 min.:0.2 mm; |
| NN4936 NTN Tapered Roller Bearing | B4:32.537 mm; G:189.789 mm; Threads per inch:8; B:28.829 mm; Hydraulic nut:HMVC 38E; d:190 mm; d3 max.:240.64 mm; B1:171.399 mm; Mass adapter sleeve assembly:12.5 kg; Sleeve:S 138x6.15/16; d1:176.213 mm; |
| NN3024 NTN Tapered Roller Bearing | rb max.:1 mm; Da max.:70.5 mm; Mass plain bearing:0.6 kg; d1 ≈:57 mm; b1:4.6 mm; C:28 mm; D:75 mm; Specific dynamic load factor K:100 N/mm²; Sealing solution:Triple-lip seals; B:43 mm; Material constant KM:330; Specific static load factor K0:500 N/mm²; d:50 mm; da max.:57 mm; Lubricant:Regular relubricatio; b:4.6 mm; α:4 °; Basic static load rating C0:780 kN; Design (sliding contact surface combination):Steel/steel, heavy-d; |
| 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; |
| NNU4930K | PG:1/4 NPT; Cap bolt recommended tightening torque:2467.6 N·m; L:749.3 mm; End plug (suffix Y):EPR 21; ba:83.344 mm; Housing:SSAFS 540; H1:209.55 mm; Cap bolt:1 1/4-7 UNC; h:62.706 mm; Mass pillow block:267 kg; P150°:185 kN; RG:1 NPT; A1:203.2 mm; R1:122.237 mm; Stabilizing ring:SR-40-34; Taconite seal:TER 159; da:182.563 mm; Eye bolt:2 x 1/2-13 UNC; Cap bolt, SAE grade:8; R2:42.862 mm; |
| NN4932K NTN Cylindrical Roller Bearing | l4 max.:128 mm; α:7 °; Material constant KM:330; h1:94 mm; d2 max.:65 mm; dk:35.5 mm; Mass rod end:0.65 kg; l7 min.:30 mm; Basic dynamic load rating C:72 kN; Specific dynamic load factor K:150 N/mm²; d:25 mm; C1 max.:18 mm; B:20 mm; G:M 24x2; l5 ≈:18 mm; l3 min.:36 mm; Basic static load rating C0:90 kN; d4 ≈:35 mm; r1 min.:0.6 mm; w:30 mm; |
| 4R3423 NTN Cylindrical Roller Bearing | Cap bolt:7/8-9 UNC; Stabilizing ring:2 x 38151-38; Bearing limiting speed:2400 r/min; Pa:42.9 kN; Da:289.999 mm; Ca:89.789 mm; da:174.625 mm; Eye bolt:2 x 3/8-16 UNC; A1:158.75 mm; Cap bolt recommended tightening torque:813.5 N·m; RG:3/4 NPT; PG:1/4 NPT; P150°:120 kN; Mass pillow block:132 kg; P180°:145 kN; Housing:SSAFS 038 KA; R1:104.775 mm; A2:225.425 mm; P120°:133 kN; P90°:207 kN; |
| NN394 NTN Tapered Roller Bearing | d:360 mm; G:378.993 mm; B1:301.422 mm; B:48.666 mm; Threads per inch:5; Sleeve:S 3276x13.15/16; d3 max.:450.977 mm; Mass adapter sleeve assembly:66 kg; d1:354.012 mm; B5:59.766 mm; Hydraulic nut:HMVC 76E; |
| NNU38/8 NTN Tapered Roller Bearing | r3,4 min.:1.5 mm; Calculation factor A:9.48; a:208 mm; d1 ≈:720.5 mm; rb max.:1.5 mm; r1,2 min.:4 mm; d:670 mm; Reference speed:700 r/min; Basic dynamic load rating C:553 kN; Calculation factor kr:0.08; D:820 mm; Fatigue load limit Pu:22.4 kN; Basic static load rating C0:1290 kN; D1 ≈:771 mm; Calculation factor e:0.68; Calculation factor Y0:0.38; da min.:685 mm; Calculation factor X:0.41; |
| NN3060K NTN Cylindrical Roller Bearing | B5:77 mm; B1:189 mm; Mass adapter sleeve assembly:60 kg; d3:520 mm; A:6.5 mm; G:Tr 440x5; G2:M 8; Hydraulic nut:HMV 88E; d:440 mm; d1:410 mm; G3:12 mm; B:60 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; |
| 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; |
| 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; |
| NNU38/75 NTN Tapered Roller Bearing | da:122.237 mm; Max. speed for Taconite seal:625 r/min; h:46.038 mm; Ca:72.619 mm; H:257.175 mm; Cap bolt, SAE grade:8; P150°:87.2 kN; Taconite seal:TER 120; R2:30.163 mm; H2:53.975 mm; A1:120.65 mm; Housing:SAFS 028 KA; Appropriate attachment bolt size G:0.75 in; Initial grease fill:379.89 g; R1:79.375 mm; Cap bolt:5/8-11 UNC; Stabilizing ring:2 x 36053-50; Mass pillow block:60.3 kg; P90°:149 kN; |
| No. | Brand | U | E | w | b | L | N | K | C |
| NN4948K | NTN | - | - | - | - | - | - | - | - |
| NN3030K | NTN | - | - | - | 5.2 mm | - | - | 4 mm | - |
| NNU4864 | NTN | - | - | - | - | 628.65 mm | - | - | - |
| 4R4445 | NTN | - | - | - | - | - | 17 mm | - | - |
| NN3076K | NTN | - | - | - | - | - | 16 mm | - | - |
| NN3048 | NTN | - | - | - | - | 95 mm | 12.3 mm | - | - |
| NN4921K | NTN | - | - | - | - | - | - | - | - |
| NN3952K | NTN | - | - | - | - | - | - | - | - |
| 4R4429 | NTN | - | - | - | - | - | - | - | - |
| 4R4054 | NTN | - | - | - | - | - | - | - | - |
| NNU4968 | NTN | - | - | - | - | - | 11.5 mm | - | - |
| NN4944K | NTN | - | - | - | - | - | - | - | - |
| NNU4920K | NTN | - | - | - | - | - | - | - | - |
| NNU4996 | NTN | - | - | - | - | - | - | - | - |
| NNU38/5 | NTN | - | - | - | - | - | - | - | - |
| 4R3039 | NTN | - | - | - | - | - | - | - | - |
| 4R4449 | NTN | - | - | - | - | - | - | - | - |
| NNU4932 | NTN | - | - | - | - | 558.8 mm | - | - | - |
| NN49/95 | NTN | - | - | - | - | - | - | - | - |
| NNU4956K | NTN | - | - | - | 7.7 mm | - | - | - | 45 mm |
| NNU4936 | NTN | - | - | - | 4.8 mm | - | - | - | 26.187 mm |
| NNU4948K | NTN | - | - | - | - | - | - | - | - |
| 4R3639 | NTN | - | - | - | - | - | - | - | - |
| 4R3031 | NTN | - | - | - | - | - | - | - | - |
Bearing NNU4988 (NTN) | Size and Specification | Bearings
Cylindrical roller bearings NNU4988. Bearing number : NNU4988. Size (mm) : 440x600x160. Brand : NTN. Bore Diameter (mm) : 440. Outer Diameter (mm) :
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