0.787 Inch | 20 Millimeter x 2.047 Inch | 52 Millimeter x 0.591 Inch | 15 Millimeter CONSOLIDATED BEARING NJ-304 C/4 Cylindrical Roller BearingsSystems
| Specific dynamic load factor K | 10 N/mm² |
| Tolerance shaft | h8 |
| Coefficient of friction µ max. | 0.1 |
| Tolerance housing | H7 |
| Permissible sliding velocity v min. | 0.25 m/s |
| Coefficient of friction µ min. | 0.05 |
| Mass bushing | 1.71 kg |
| D | 120 mm |
| Permissible sliding velocity v max. | 5 m/s |
| B | 80 mm |
How to Identify 0.787 Inch | 20 Millimeter x 2.047 Inch | 52 Millimeter x 0.591 Inch | 15 Millimeter CONSOLIDATED BEARING NJ-304 C/4 Cylindrical Roller Bearings by Bearing Number
a:12.5 mm; d:220 mm; B:250 mm; Permissible sliding velocity v max.:0.5 m/s; Permissible sliding velocity v min.:0 m/s; Tolerance housing:H7; Specific dynamic load factor K:25 N/mm²; Specific static load factor K0:45 N/mm²; Mass bushing:15.9 kg; Tolerance shaft:e7;
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Basic Dynamic Radial Load Rating C:5070 N; B:8.00 mm; D:28.0000 mm; Accessories:Two Seals; Basic Static Radial Load Rating Co:2360 N; Grease Speed Rating Open/Shielded n1:26000 rpm; Oil Speed Rating Open/Shielded n2:32000 rpm; d:12.000 mm; Fillet Radius ra:0.30 mm; Sealed Speed Rating n3:17000 rpm;
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Fillet Radius ra:2.50 mm; Accessories:Seal & Snap-Ring; Oil Speed Rating n2:4300 rpm; B:41.00 mm; d:85.000 mm; Oil Speed Rating Open/Shielded n2:4300 rpm; Basic Static Radial Load Rating Co:96500 N; Grease Speed Rating n1:3600 rpm; Sealed Speed Rating n3:2400 rpm; D:180.0000 mm;
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B:74 mm; E:mm; d2:320 mm; F:360 mm; b1:mm; d2 (max):mm; r1s (min):4 mm; b:mm; D:480 mm; Static (Coa):1390 kN;
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db min.:135.5 mm; Db min.:182 mm; r3,4 min.:1.5 mm; Calculation factor e:0.43; ra max.:3.5 mm; Fatigue load limit Pu:56 kN; T:46.038 mm; r1,2 min.:3.5 mm; Da min.:167 mm; rb max.:1.5 mm;
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Basic dynamic load rating C:98.5 kN; Limiting speed:3900 r/min; Calculation factor Y0:2.5; Mass bearing + sleeve:0.8 kg; B2:13 mm; d1:35 mm; B1:46 mm; Basic static load rating C0:90 kN; d3:58 mm; Calculation factor e:0.28;
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Fillet Radius ra:1.00 mm; Accessories:Two Seals; Grease Speed Rating Open/Shielded n1:4000 rpm; d:110.000 mm; Basic Static Radial Load Rating Co:44000 N; B:20.00 mm; D:150.0000 mm; Oil Speed Rating Open/Shielded n2:4800 rpm; Sealed Speed Rating n3:2500 rpm; Basic Dynamic Radial Load Rating C:43600 N
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Da min.:620 mm; Ca min.:2.3 mm; G:Tr 500x5; Da max.:677 mm; Mass bearing + sleeve:245 kg; da min.:493 mm; B:165 mm; G1:38 mm; d1:460 mm; r1,2 min.:6 mm;
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R1:58.737 mm; Initial grease fill:365.71 g; h:42.069 mm; Cap bolt recommended tightening torque:203.4 N·m; RG:3/8 NPT; Pa:10.2 kN; L:387.35 mm; P60°:119 kN; Labyrinth ring:2 x LOR 100; Cap bolt:2 x 3/4-10 UNC;
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Dimension S1:0.7813 in; Thread Diameter G:3/8-16; Dimension H1:1.4375 in; Basic Dynamic Radial Load Rating:3150 lbf; Dimension F:0.5000 in; Insert Bearing IB:ZMaRC; Height H:2.9375 in; Dimension L:3.2500 in; Weight W:0.67 lb; Width A:1.4375 in;
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Calculation factor Y0:0.44; r0:3 mm; d:440 mm; Mass bearing:350 kg; Calculation factor A:84; a:615 mm; da min.:476 mm; d1 ≈:574 mm; Limiting speed:1200 r/min; Calculation factor Y2:0.81;
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Hydraulic nut:HMVC 20E; Sleeve:S 120x3.3/8; d:100 mm; B4:21.438 mm; Mass adapter sleeve assembly:2.85 kg; d3 max.:131.902 mm; Threads per inch:12; d1:85.725 mm; B1:100.609 mm; G:99.517 mm;
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d:180 mm; G1:26 mm; B2:160 mm; B1:154 mm; Nut for removal:KM 38; G:M 190x3; d1:170 mm; Hydraulic nut:HMV 38 E; Mass withdrawal sleeve:5.5 kg;
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Accessories:No Shield, no Seal; Basic Static Radial Load Rating Co:20400 N; Basic Dynamic Radial Load Rating C:28600 N; D:62.0000 mm; Sealed Speed Rating n3:7000 rpm; B:23.80 mm; d:30.000 mm; Fillet Radius ra:1.00 mm; Grease Speed Rating n1:7000 rpm; Oil Speed Rating n2:9500 rpm;
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| Frequently bought 0.787 Inch | 20 Millimeter x 2.047 Inch | 52 Millimeter x 0.591 Inch | 15 Millimeter CONSOLIDATED BEARING NJ-304 C/4 Cylindrical Roller Bearings together |
| S | B | D | d | T | F | C | a |
| BKM304030JU | - | - | 40 mm | 30 | - | - | 30,8 kN | - |
| PSL 512-304 | 6 mm | 380 mm | 520 mm | 370 mm | - | 409 mm | 5220 kN | - |
| LM 603049/011/Q | - | 19.842 mm | 77.788 mm | 45.242 mm | 19.842 mm | - | 15.08 mm | 17 mm |
| 4304-2RS | - | 21 mm | 52 mm | 20 mm | - | - | 21 mm | - |
| BK304014 | - | - | 40 mm | 30 | - | - | 13,8 kN | - |
| BK304014 | - | - | 40 mm | 30 | - | - | 14 mm | - |
| BK304018 | - | - | 40 mm | 30 | - | - | 18 mm | - |
| LL103049/LL103010B | - | 12,7 mm | 71,438 mm | 44,45 mm | - | - | 9,525 mm | - |
| 7603040-TVP | - | 23 mm | 90 mm | 40 mm | - | - | 52 kN | 68,5 mm |
| NJ-304 C/4 | - | 0.591 Inch | 15 Millimeter | 2.047 Inch | 52 Millimeter | 0.787 Inch | 20 Millimeter | - | - | - | - |
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NTN BEARING-BOWER CORP.2020-07-10 09:46:19
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