22312BK Cylindrical Roller Bearings Interchange 2018 NEW
| Bearing number: | NJ 2204 ECP |
| Size (mm): | 47x20x18 |
| Bore Diameter (mm): | 47 |
| Outer Diameter (mm): | 20 |
| Width (mm): | 18 |
| d: | 20 mm |
| D: | 47 mm |
| B: | 18 mm |
Product Details
| Bearing number | NJ 2204 ECP |
| Size (mm) | 47x20x18 |
| Bore Diameter (mm) | 47 |
| Outer Diameter (mm) | 20 |
| Width (mm) | 18 |
| d | 20 mm |
| D | 47 mm |
| B | 18 mm |
| d1 | 29.7 mm |
| D1 | 38.3 mm |
| F | 26.5 mm |
| r1,2 - min. | 1 mm |
| r3,4 - min. | 1 mm |
| s | 2 mm |
| da - min. | 25 mm |
| da - max. | 25.4 mm |
| db - min. | 31 mm |
| Da - max. | 41.7 mm |
| ra - max. | 1 mm |
| Basic dynamic load rating - C | 34.5 kN |
| Basic static load rating - C0 | 27.5 kN |
| Fatigue load limit - Pu | 3.4 kN |
| Reference speed | 16000 r/min |
| Limiting speed | 19000 r/min |
| Calculation factor - kr | 0.2 |
| Category | Cylindrical Roller Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.151 |
| Product Group | B04144 |
| Bore Profile | Straight |
| Cage Material | Polymer |
| 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 | High Capacity | 1 Rib Inner Ring | 2 Rib Outer Ring | Cage on Outer Ring ID |
| Long Description | 20MM Bore; Straight Bore Profile; 47MM Outside Diameter; 18MM Width; Polymer Cage Matetrial; RBEC 1 | ISO P0; Single Row; Inner Ring - One Side Separable; No Snap Ring; Relubricatable; C0-Medium Inter |
| UNSPSC | 31171547 |
| Harmonized Tariff Code | 8482.50.00.00 |
| Noun | Bearing |
| Manufacturer Item Number | NJ 2204 ECP |
| Weight / LBS | 0.332 |
| Bore | 0.787 Inch | 20 Millimeter |
| Outside Diameter | 1.85 Inch | 47 Millimeter |
| Width | 0.709 Inch | 18 Millimeter |
| bore diameter: | 20 mm |
| static load capacity: | 27.5 kN |
| outside diameter: | 47 mm |
| precision rating: | RBEC 1 (ISO Class Normal) |
| overall width: | 18 mm |
| maximum rpm: | 19000 RPM |
| flanges: | (2) Outer Ring, (1) Inner Ring |
| cage material: | Polyamide |
| bore type: | Straight |
| finish/coating: | Uncoated |
| number of rows: | 1 |
| closure type: | Open |
| internal clearance: | C0 |
| application: | Piston Type Machines, Rolling Mills, Spindles/Machine Tools |
| ring separation: | Separable Ring |
| outer ring width: | 18 mm |
| operating temperature range: | Maximum of +300 °F |
| fillet radius: | 1 mm |
| dynamic load capacity: | 29.7 kN |
| series: | NJ22 |
| d1 ≈ | 29.7 mm |
| D1 ≈ | 38.3 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.6 mm |
| s max. | 2 mm |
| da min. | 25 mm |
| da max. | 25.4 mm |
| db min. | 31 mm |
| Da max. | 41.7 mm |
| ra max. | 1 mm |
| Basic dynamic load rating C | 34.5 kN |
| Basic static load rating C0 | 27.5 kN |
| Fatigue load limit Pu | 3.45 kN |
| Calculation factor kr | 0.2 |
| Limiting value e | 0.3 |
| Axial load factor Y | 0.4 |
| Mass bearing | 0.14 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
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