| Reference speed | 300 r/min |
| D | 600 mm |
| Limiting speed | 600 r/min |
| Da max. | 525 mm |
| Minimum axial load factor A | 5.3 |
| Basic dynamic load rating C | 1220 kN |
| Mass bearing | 34 kg |
| B | 17.5 mm |
| Fatigue load limit Pu | 540 kN |
| H | 60 mm |
| D1 | 503 mm |
| Basic static load rating C0 | 8150 kN |
| d | 500 mm |
| d1 | 597 mm |
| ra max. | 2 mm |
| r1,2 min. | 2.1 mm |
| da min. | 575 mm |
7238B KOYO Single-row, matched pair angular contact ball bearings cross reference by manufacturer | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | Brand | r | d | B | C | a | D | f0 | D_ |
| 7238B | NACHI | - | 190 mm | 55 mm | 294 kN | 83.7 mm | 340 mm | - | - |
| 7238B GSTFY | KOYO | - | 7.48 Inch | 190 Millimeter | 2.165 Inch | 55 Millimeter | - | - | 13.386 Inch | 340 Millimeter | - | - |
| 7238B-5G CNFY | KOYO | - | 7.48 Inch | 190 Millimeter | 2.165 Inch | 55 Millimeter | - | - | 13.386 Inch | 340 Millimeter | - | - |
| 7238BMG | NSK | - | 7.48 Inch | 190 Millimeter | 2.165 Inch | 55 Millimeter | - | - | 13.386 Inch | 340 Millimeter | - | - |
| 7238BDB | NSK | 4 | 190 | - | 460 | - | - | - | 340 |
| 7238BDF | NSK | 4 | 190 | - | 460 | - | - | - | 340 |
| 7238BDT | NSK | 4 | 190 | - | 460 | - | - | - | 340 |
| 7238B FY | KOYO | - | 190 | 55 | - | - | 340 | - | - |
| 7238BDB FY | KOYO | - | 190 | 110 | - | 277.4 | 340 | - | - |
| 7238BDT FY | KOYO | - | 190 | 110 | - | - | 340 | - | - |
| 7238BDF FY | KOYO | - | 190 | 110 | - | 167.4 | 340 | - | - |
| 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 |
| 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; |
| 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 |
| 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; |
| 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; |
| 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 |
| 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 |
| 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 |
7238B KOYO Single-row, matched pair angular contact ball bearings Video
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