| Db max. | 164.4 mm |
| b | 1.8 mm |
| d1 | 132.38 mm |
| Attainable speed for oil-air lubrication | 17000 r/min |
| r1,2 min. | 2 mm |
| Static axial stiffness, preload class C | 204 N/µm |
| Ball diameter Dw | 12.7 mm |
| Calculation factor f2B | 1.03 |
| Preload class C GC | 1520 N |
| Basic static load rating C0 | 45 kN |
| Calculation factor fHC | 1 |
| Reference grease quantity Gref | 23 cm³ |
| Calculation factor f2A | 1 |
| Calculation factor f2C | 1.05 |
| Basic dynamic load rating C | 47.5 kN |
| ra max. | 2 mm |
| d2 | 129.2 mm |
| D1 | 147.61 mm |
| C2 | 5.4 mm |
| r3,4 min. | 1 mm |
NU308 KOYO Single-row cylindrical roller bearings cross reference by manufacturer | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | Brand | d | D | B | C | Fw | C0 | r1 | Size |
| NU3080 | Loyal | 400 mm | 600 mm | 148 mm | 2250 kN | 450 mm | 4370 kN | - | 400x600x148 |
| NU3084 | ISO | 420 mm | 620 mm | 150 mm | 150 mm | - | - | - | 420x620x150 |
| NU3088 | NTN | 440,000 mm | 650,000 mm | 157,000 mm | 157,000 mm | - | - | - | 440x650x157 |
| NU308E | CYSD | 40 mm | 90 mm | 23 mm | 77,8 kN | 52 mm | 76,8 kN | - | 40x90x23 |
| NU308EG | NACHI | 40 mm | 90 mm | 23 mm | 83 kN | 52 mm | 81,5 kN | 1.5 mm | 40x90x23 |
| NU308EG15 | SNR | 40,000 mm | 90,000 mm | 23,000 mm | 23,000 mm | - | - | - | 40x90x23 |
| NU308 | Loyal | 40 mm | 90 mm | 23 mm | 23 mm | - | - | - | 40x90x23 |
| NN314 KOYO Double-row cylindrical roller bearings | Accessories:One Shield & Snap-Ri; B:19.00 mm; Oil Speed Rating Open/Shielded n2:11000 rpm; d:20.000 mm; Grease Speed Rating Open/Shielded n1:9000 rpm; Basic Dynamic Radial Load Rating C:29200 N; Fillet Radius ra:1.00 mm; D:72.0000 mm; Basic Static Radial Load Rating Co:18600 N; |
| NNU4938 KOYO Double-row cylindrical roller bearings | D:170 mm; Tolerance shaft:e7; Permissible sliding velocity v max.:0.5 m/s; Coefficient of friction µ max.:0.15; h:152 mm; Permissible sliding velocity v min.:0 m/s; Specific dynamic load factor K:25 N/mm²; d:150 mm; α:124 °; Coefficient of friction µ min.:0.08; Mass bushing:10.5 |
| NN3036 KOYO Double-row cylindrical roller bearings | P90°:149 kN; Eye bolt:2 x 3/8-16 UNC; Cap bolt:5/8-11 UNC; S:4.763 mm; ba:53.181 mm; A2:190.5 mm; PG:1/4 NPT; h:46.831 mm; PosiTrac Plus contact element:2 x B10724-113; P120°:94.3 kN; Cap bolt, SAE grade:8; Labyrinth ring:2 x LOR 112; P150°:87.2 kN; Cap bolt recommended tightening torque |
| NNU4934 KOYO Double-row cylindrical roller bearings | Clearance:Standard; d:80mm; Seals or Shields:Open Type; SKU:3216-b-tvh-fag; Dynamic Load Rating (kN):98; Fatigue Load Rating (kN):4.95; D:140mm; Limiting Speed Rating (r/min):4000; Availability:In Stock; Weight:2.45 KGS; Static Load Rating (kN):93; Cage Type:Plastic; Reference Speed Rating (r/min):5 |
| NN304 KOYO Double-row cylindrical roller bearings | Availability:In Stock; Static Load Rating (kN):325; B:44mm; Fatigue Load Rating (kN):34.5; Seals or Shields:Two Rubber Seals; Dynamic Load Rating (kN):285; D:150mm; d:85mm; Weight:3.00 KGS; SKU:bs2-2217-2rsk/vt143-; Clearance:Standard; Cage Type:Steel; Limiting Speed Rating (r/min):1100; |
| NN3032 KOYO Double-row cylindrical roller bearings | Basic Static Radial Load Rating Co:10000 N; Oil Speed Rating Open/Shielded n2:13000 rpm; Fillet Radius ra:0.64 mm; Sealed Speed Rating n3:6700 rpm; Basic Dynamic Radial Load Rating C:13800 N; D:62.0000 mm; d:40.000 mm; B:12.00 mm; Grease Speed Rating Open/Shielded n1:10000 rpm; Accessories:Two Shiel |
| NNU4932 KOYO Double-row cylindrical roller bearings | D:160 mm; Roller and cage thrust assembly:K 81222 TN; Eb:152 mm; Ea:117 mm; Mass roller and cage thrust assembly:0.53 kg; Fatigue load limit Pu:98 kN; Dw:15 mm; d:110 mm; Basic dynamic load rating C:260 kN; Basic static load rating C0:1000 kN; Limiting speed:1700 r/min; Reference speed:850 r/min; |
| NN3038 KOYO Double-row cylindrical roller bearings | Da max.:299 mm; d2 ≈:228 mm; Basic dynamic load rating C:1630 kN; da min.:211 mm; Limiting speed:260 r/min; ra max.:2 mm; D1 ≈:280 mm; Basic static load rating C0:2650 kN; da max.:263 mm; r1,2 min.:2.1 mm; D:310 mm; Fatigue load limit Pu:236 kN; s2 max.:11.1 mm; s1 max.:21 mm; Operating |
| NN3034 KOYO Double-row cylindrical roller bearings | Height H:4.8906 in; Diameter N:0.5000 in; Distance J:3.8906 in; Shaft Diameter D:15/16 in; Dimension A2:0.6250 in; Height T:1.5313 in; Basic Dynamic Radial Load Rating:3150 lbf; Dimension A1:1.1875 in; Basic Static Radial Load Rating Co:1750 lbf; Weight W:1.35 lb; Dimension L:2.7500 in; Dimension DA |
| NNU494 KOYO Double-row cylindrical roller bearings | R2:21.431 mm; P180°:40 kN; Ca:37.008 mm; H1:82.55 mm; R1:46.038 mm; A1:79.375 mm; J min.:219.075 mm; P60°:104 kN; Initial grease fill:68.04 g; Cap bolt recommended tightening torque:149.1 N·m; Da:130 mm; A2:120.65 mm; L:285.75 mm; Max. speed for PosiTrac Plus seal:2350 r/min; Pa:6.94 |
NU308 KOYO Single-row cylindrical roller bearings Video
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