| Calculation factor e | 0.33 |
| Design variant/feature | TQON/GW |
| Thrust factor K | 1.76 |
| D1 ≈ | 754 mm |
| T | 615.95 mm |
| Calculation factor Y2 | 3 |
| Comparative axial load rating CFa | 602 kN |
| Basic static load rating C0 | 39000 kN |
| d | 595.312 mm |
| Fatigue load limit Pu | 2550 kN |
| r1,2 min. | 3.3 mm |
| Calculation factor Y0 | 2 |
| Calculation factor Y1 | 2 |
| Mass bearing | 1180 kg |
| r3,4 min. | 6.4 mm |
| Comparative radial load rating CF | 3750 kN |
| D | 844.55 mm |
| B | 615.95 mm |
| Basic dynamic load rating C | 17300 kN |
| d1 ≈ | 642 mm |
7038 KOYO Single-row, matched pair angular contact ball bearings cross reference by manufacturer | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | Brand | D | a | d | B | K | C | C0 | B1 |
| 7038 | NACHI | 290 mm | 46.3 mm | 190 mm | 46 mm | - | 218 kN | 277 kN | - |
| 7038 A | ISO | 290 mm | 92,3 mm | 190 mm | 46 mm | - | 46 mm | - | - |
| 7038 A-UD | Loyal | 290 mm | - | 190 mm | - | - | 353 kN | 535 kN | 92 mm |
| 7038 A-UO | Loyal | 290 mm | 184,6 mm | 190 mm | - | - | 353 kN | 535 kN | 92 mm |
| 7038 A-UX | Loyal | 290 mm | 92,6 mm | 190 mm | - | - | 353 kN | 535 kN | 92 mm |
| 7038 ACD/HCP4A | SKF | 290 mm | 79.2 mm | 190 mm | 46 mm | - | - | - | - |
| 7038 ACD/HCP4AH1 | SKF | 290 mm | 79.2 mm | 190 mm | 46 mm | 0.6 mm | - | - | - |
| 7038 ACD/P4A | SKF | 290 mm | 79.2 mm | 190 mm | 46 mm | - | - | - | - |
| 7038 ADB | ISO | 290 mm | 184,6 mm | 190 mm | - | - | - | - | 92 mm |
| 7038 ADF | ISO | 290 mm | 92,6 mm | 190 mm | - | - | - | - | 92 mm |
| 7038 ADT | ISO | 290 mm | - | 190 mm | - | - | - | - | 92 mm |
| 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; |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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; |
| 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 |
| 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 |
7038 KOYO Single-row, matched pair angular contact ball bearings Video
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