| Bearing number | NJ309 |
| Size (mm) | 45x100x25 |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 25 |
| d | 45 mm |
| Fw | 58,5 mm |
| D | 100 mm |
| B | 25 mm |
| C | 25 mm |
| r min. | 1,5 mm |
| r1 min. | 1,5 mm |
| J | 64 mm |
| Weight | 0,877 Kg |
| Basic dynamic load rating (C) | 74 kN |
| Basic static load rating (C0) | 71 kN |
| (Grease) Lubrication Speed | 7 200 r/min |
| E | 86.5 mm |
| F | 58.5 mm |
| d1 | 64 mm |
| rs min | 1.5 mm |
| r1s min | 1.5 mm |
| Radial clearance class | CN |
| Mass (without HJ ring) | 0.9 kg |
| Dynamic load, C | 74 kN |
| Static load, C0 | 71 kN |
| Fatigue limit load, Cu | 8.7 kN |
| Nlim (oil) | 8,400 rpm |
| Nlim (grease) | 7,200 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.4 Hz |
| Characteristic rolling element frequency, BSF | 4.98 Hz |
| Characteristic outer ring frequency, BPF0 | 4.44 Hz |
| Characteristic inner ring frequency, BPFI | 6.56 Hz |
| da min | 53 mm |
| da max | 57 mm |
| dc min | 66 mm |
| Da max | 92 mm |
| ra max | 1.5 mm |
| Category | Cylindrical Roller Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.88 |
| Product Group | B04144 |
| Bore Profile | Straight |
| Cage Material | Steel |
| Precision Class | RBEC 1 | ISO P0 |
| Number of Rows of Rollers | Single Row |
| Separable | Inner Ring - One Side |
| Rolling Element | Cylindrical Roller Bearing |
| Profile | Complete with Outer and Inner Ring |
| Snap Ring | No |
| Internal Clearance | C0-Medium |
| Retainer | Yes |
| Relubricatable | Yes |
| Inch - Metric | Metric |
| Other Features | 1 Rib Inner Ring | 2 Rib Outer Ring | Cage On Outer Ring ID |
| Long Description | 45MM Bore; Straight Bore Profile; 100MM Outside Diameter; 25MM Width; Steel Cage Matetrial; RBEC 1 | ISO P0; Single Row; Inner Ring - One Side Separable; No Snap Ring; Relubricatable; C0-Medium Intern |
| UNSPSC | 31171547 |
| Harmonized Tariff Code | 8482.50.00.00 |
| Noun | Bearing |
| Manufacturer Item Number | NJ309 |
| Weight / LBS | 1.943 |
| Outside Diameter | 3.937 Inch | 100 Millimeter |
| Width | 0.984 Inch | 25 Millimeter |
| Bore | 1.772 Inch | 45 Millimeter |
| bore diameter: | 45 mm |
| static load capacity: | 71000 N |
| outside diameter: | 100 mm |
| precision rating: | ISO Class 0 |
| overall width: | 25 mm |
| maximum rpm: | 8400 rpm |
| flanges: | (2) Outer Ring, (1) Inner Ring |
| bearing material: | Hardened Alloy Steel |
| bore type: | Straight |
| cage material: | Pressed Steel |
| number of rows: | 1 |
| finish/coating: | Uncoated |
| internal clearance: | CN |
| closure type: | Open |
| operating temperature range: | -40 to 120 ºC |
| fillet radius: | 1.5 mm |
| dynamic load capacity: | 74000 N |
| manufacturer product page: | Click here |
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