NSK RNA4909 needle roller bearings
| Brand Name |
NSK |
| Model Number |
RNA4909 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NSK RNA4909 bearing Size Chart (mm/inches) |
|---|
| Bearing number | 7209 BECBJ |
| Size (mm) | 85x45x19 |
| Bore Diameter (mm) | 85 |
| Outer Diameter (mm) | 45 |
| Width (mm) | 19 |
| d | 45 mm |
| D | 85 mm |
| B | 19 mm |
| d1 | 60.85 mm |
| d2 | 52.68 mm |
| D1 | 70.15 mm |
| a | 37 mm |
| r1,2 - min. | 1.1 mm |
| r3,4 - min. | 0.6 mm |
| da - min. | 52 mm |
| Da - max. | 78 mm |
| Db - max. | 80.8 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| Basic dynamic load rating - C | 35.8 kN |
| Basic static load rating - C0 | 26 kN |
| Fatigue load limit - Pu | 1.1 kN |
| Reference speed | 9000 r/min |
| Limiting speed | 9000 r/min |
| Calculation factor - kr | 0.095 |
| Calculation factor - ka | 1.4 |
| Calculation factor - e | 1.14 |
| Calculation factor - X | 0.57 |
| Calculation factor - Y0 | 0.52 |
| Calculation factor - Y1 | 0.55 |
| Calculation factor - Y2 | 0.93 |
| Calculation factor - X | 0.35 |
| Calculation factor - Y0 | 0.26 |
| Calculation factor - Y1 | |
| Calculation factor - Y2 | 0.57 |
| Category | Angular Contact Ball Bearings |
| Inventory | 0.0 |
| Manufacturer Name | SKF |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.446 |
| EAN | 7316570506877 |
| Product Group | B00308 |
| Enclosure | Open |
| Flush Ground | Yes |
| Rolling Element | Ball Bearing |
| Number of Rows of Balls | Single Row |
| Precision Class | ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot | No |
| Snap Ring | No |
| Cage Material | Steel |
| Contact Angle | 40 Degree |
| Internal Clearance | CB |
| Number of Bearings | 1 (Single) |
| Mounting Arrangement | Universal |
| Inch - Metric | Metric |
| Long Description | 45MM Bore; 85MM Outside Diameter; 19MM Width; Open; Yes Flush Ground; Ball Bearing; Single Row of Balls; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; CB; Steel Cage; 40 Degree; 1 (Single); Universa |
| Other Features | Normal Axial Internal Clearance |
| Category | Angular Contact Ball Bearing |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact |
| Manufacturer URL | http://www.skf.com |
| Manufacturer Item Number | 7209 BECBJ |
| Bore | 1.772 Inch | 45 Millimeter |
| Width | 0.748 Inch | 19 Millimeter |
| Outside Diameter | 3.346 Inch | 85 Millimeter |
| d1 ≈ | 60.85 mm |
| d2 ≈ | 52.68 mm |
| D1 ≈ | 70.15 mm |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 52 mm |
| Da max. | 78 mm |
| Db max. | 80.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 38 kN |
| Basic static load rating C0 | 28.5 kN |
| Fatigue load limit Pu | 1.22 kN |
| Calculation factor A | 0.012 |
| Calculation factor kr | 0.095 |
| Calculation factor e | 1.14 |
| Calculation factor X | 0.35 |
| Calculation factor Y0 | 0.26 |
| Calculation factor Y2 | 0.57 |
| Calculation factor X | 0.57 |
| Calculation factor Y0 | 0.52 |
| Calculation factor Y1 | 0.55 |
| Calculation factor Y2 | 0.93 |
| Mass bearing | 0.42 kg |