7230B KOYO Single-row, matched pair angular contact ball bearings
| Brand Name: | KOYO |
| Model Number: | 7230B |
| Bearing number: | 7308 BEP |
| Size (mm): | 90x40x23 |
| Bore Diameter (mm): | 90 |
| Outer Diameter (mm): | 40 |
| Width (mm): | 23 |
| d: | 40 mm |
| D: | 90 mm |
| B: | 23 mm |
| PDF |
7230B |
Product Details
| Bearing number | 7308 BEP |
| Size (mm) | 90x40x23 |
| Bore Diameter (mm) | 90 |
| Outer Diameter (mm) | 40 |
| Width (mm) | 23 |
| d | 40 mm |
| D | 90 mm |
| B | 23 mm |
| d1 | 59.7 mm |
| d2 | 49.55 mm |
| D1 | 71.6 mm |
| a | 39 mm |
| r1,2 - min. | 1.5 mm |
| r3,4 - min. | 1 mm |
| da - min. | 49 mm |
| Da - max. | 81 mm |
| Db - max. | 84.4 mm |
| ra - max. | 1.5 mm |
| rb - max. | 1 mm |
| Basic dynamic load rating - C | 46.2 kN |
| Basic static load rating - C0 | 30.5 kN |
| Fatigue load limit - Pu | 1.3 kN |
| Reference speed | 9000 r/min |
| Limiting speed | 9000 r/min |
| Calculation factor - kr | 0.1 |
| Calculation factor - ka | 1.6 |
| Calculation factor - e | 1.14 |
| Calculation factor - X | 0.35 |
| Calculation factor - Y0 | 0.26 |
| Calculation factor - Y1 | 0.55 |
| Calculation factor - Y2 | 0.57 |
| Category | Angular Contact Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.61 |
| Product Group | B00308 |
| Enclosure | Open |
| Flush Ground | No |
| Rolling Element | Ball Bearing |
| Number of Rows of Balls | Single Row |
| Precision Class | ABEC 3 | ISO P6 |
| Maximum Capacity / Filling Slot | No |
| Snap Ring | No |
| Cage Material | Polymer |
| Contact Angle | 40 Degree |
| Internal Clearance | C0-Medium |
| Number of Bearings | 1 (Single) |
| Inch - Metric | Metric |
| Long Description | 40MM Bore; 90MM Outside Diameter; 23MM Width; Open; No Flush Ground; Ball Bearing; Single Row of Balls; ABEC 3 | ISO P6; No Filling Slot; No Snap Ring |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact |
| Manufacturer Item Number | 7308 BEP |
| Weight / LBS | 1.347 |
| Width | 0.906 Inch | 23 Millimeter |
| Outside Diameter | 3.543 Inch | 90 Millimeter |
| Bore | 1.575 Inch | 40 Millimeter |
| bore diameter: | 40 mm |
| radial static load capacity: | 30.5 kN |
| outside diameter: | 90 mm |
| cage material: | Nylon |
| overall width: | 23 mm |
| outer ring width: | 23 mm |
| contact angle: | 40 ° |
| maximum rpm: | 9000 RPM |
| row type & fill slot: | Single-Row Non-Fill Slot |
| finish/coating: | Uncoated |
| internal clearance: | C0 |
| precision rating: | ABEC 3 (ISO Class 6) |
| closure type: | Open |
| fillet radius: | 1.5 mm |
| radial dynamic load capacity: | 46.2 kN |
| series: | 73 |
| d1 ≈ | 59.7 mm |
| d2 ≈ | 49.55 mm |
| D1 ≈ | 71.6 mm |
| r1,2 min. | 1.5 mm |
| r3,4 min. | 1 mm |
| da min. | 49 mm |
| Da max. | 81 mm |
| Db max. | 84.4 mm |
| ra max. | 1.5 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 46.2 kN |
| Basic static load rating C0 | 30.5 kN |
| Fatigue load limit Pu | 1.29 kN |
| Calculation factor A | 0.0173 |
| Calculation factor kr | 0.1 |
| Calculation factor e | 1.14 |
| Calculation factor X | 0.57 |
| Calculation factor Y0 | 0.52 |
| Calculation factor Y2 | 0.93 |
| Calculation factor Y1 | 0.55 |
| Mass bearing | 0.62 kg |
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