1308K NACHI 40x90x23mm Other Features Allowable Misalignment 3 Deg | 1:12 Taper Self aligning ball bearings
| Bearing number | 1308K |
| Size (mm) | 40x90x23 |
| Brand | NACHI |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 23 |
| d | 40 mm |
| D | 90 mm |
| B | 23 mm |
| C | 23 mm |
| r1 min. | 1.5 mm |
| da min. | 48 mm |
| Da max. | 82 mm |
| ra max. | 1.5 mm |
| Weight | 0.715 Kg |
| Basic dynamic load rating (C) | 29.5 kN |
| Basic static load rating (C0) | 9.7 kN |
| (Grease) Lubrication Speed | 7000 r/min |
| (Oil) Lubrication Speed | 8500 r/min |
| Calculation factor (e) | 0.25 |
| Calculation factor (Y0) | 2.69 |
| Calculation factor (Y1) | 2.57 |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | NACHI |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0 |
| Product Group – BDI | B00152 |
| Mounting Method | Tapered Adapter |
| Enclosure | Open |
| Rolling Element | Ball Bearing |
| Adapter Sleeve | H-308X |
| Cage Material | Steel |
| Precision Class | ABEC 1 | ISO P0 |
| Internal Clearance | C0-Medium |
| Number of Rows of Balls | Double Row |
| Other Features | Allowable Misalignment 3 Deg | 1:12 Taper |
| Long Description | 40MM Bore; Tapered Adapter Mount; 90MM Outside Diameter; 23MM Inner Race Width; 23MM Outer Race Width; Open; Steel Cage; Double Row of Balls; ABEC 1 | ISO P0; C0-Medium |
| Inch – Metric | Metric |
| Category – BDI | Self Aligning Ball Bearings |
| UNSPSC | 31171532 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Self Aligning |
| Manufacturer URL | http://www.nachi.com |
| Weight / LBS | 1.5763 |
| Bore | 1.575 Inch | 40 Millimeter |
| Outside Diameter | 3.543 Inch | 90 Millimeter |
| Inner Race Width | 0.906 Inch | 23 Millimeter |
| Outer Race Width | 0.906 Inch | 23 Millimeter |
Detailed Parameters
parameter：
| NA4907LL Needle roller bearings | Outer Diameter :55mm ，Size :42x55x21mm ，Width :21mm ，Bore Diameter :42mm ，Brand:NTN |
| 71908 CDT Angular contact ball bearings | Outer Diameter :62mm ，Size :40x62x24mm ，Width :24mm ，d:40 mm ，Bore Diameter :40mm ，Brand:ISO |
| SF3050 Angular contact ball bearings | Width :16.500mm ，Outer Diameter :183.000mm ，Size :149x183x16.500mm ，Bore Diameter :149.000mm ，Brand:NTN |
| AST20 15050 Plain bearings | Outer Diameter :155mm ，Bore Diameter :150mm ，Bearing Type:straight ，Brand:AST |
| MF-5024 Needle roller bearings | Brand:NSK ，Bore Diameter :50mm ，Size :50x58x24mm ，Outer Diameter :58mm |
| 359S/352 Tapered roller bearings | Brand:CX ，Size :46.038x90.119x23mm ，Bore Diameter :46.038mm ，Outer Diameter :90.119mm |
| 39K Deep groove ball bearings | Outer Diameter :26mm ，Size :9x26x8mm ，Brand:Timken ，Width :8mm ，Bore Diameter :9mm |
| GE 300 CP Plain bearings | d:300 mm ，Size :300x430x212mm ，Brand:ISB ，Outer Diameter :430mm ，Bore Diameter :300mm ，Width :212mm |
| ASTEPBF 1517-04 Plain bearings | Outer Diameter :17mm ，Bore Diameter :15mm ，Bearing Type:flanged ，Brand:AST |
| 61918 ZZ Deep groove ball bearings | Outer Diameter :125mm ，Size :90x125x18mm ，Brand:ISO ，Bore Diameter :90mm |
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