REXROTH DB 30-2-5X/200 bearing Size Chart (mm/inches) |
|---|
| Bearing number | NJ 312 ECM |
| Size (mm) | 130x60x31 |
| Bore Diameter (mm) | 130 |
| Outer Diameter (mm) | 60 |
| Width (mm) | 31 |
| d | 60 mm |
| D | 130 mm |
| B | 31 mm |
| d1 | 84.3 mm |
| D1 | 108.5 mm |
| F | 77 mm |
| r1,2 - min. | 2.1 mm |
| r3,4 - min. | 2.1 mm |
| s | 2.1 mm |
| da - min. | 72 mm |
| da - max. | 74 mm |
| db - min. | 87 mm |
| Da - max. | 118.1 mm |
| ra - max. | 2 mm |
| Basic dynamic load rating - C | 173 kN |
| Basic static load rating - C0 | 160 kN |
| Fatigue load limit - Pu | 21.2 kN |
| Reference speed | 5600 r/min |
| Limiting speed | 6700 r/min |
| Calculation factor - kr | 0.15 |
| Category | Cylindrical Roller Bearings |
| Inventory | 0.0 |
| Manufacturer Name | SKF |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 2.23 |
| EAN | 7316576624216 |
| Product Group | B04144 |
| Bore Profile | Straight |
| Cage Material | Brass |
| 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 | 60MM Bore; Straight Bore Profile; 130MM Outside Diameter; 31MM Width; Brass Cage Matetrial; RBEC 1 | ISO P0; Single Row; Inner Ring - One Side Separable; No Snap Ring; Relubricatable; C0-Medium Intern |
| Category | Cylindrical Roller Bearing |
| UNSPSC | 31171547 |
| Harmonized Tariff Code | 8482.50.00.00 |
| Noun | Bearing |
| Manufacturer URL | http://www.skf.com |
| Manufacturer Item Number | NJ 312 ECM |
| Weight / LBS | 4.901 |
| Bore | 2.362 Inch | 60 Millimeter |
| Outside Diameter | 5.118 Inch | 130 Millimeter |
| Width | 1.22 Inch | 31 Millimeter |
| bore diameter: | 60 mm |
| precision rating: | RBEC 1 (ISO Class Normal) |
| outside diameter: | 130 mm |
| maximum rpm: | 6700 RPM |
| overall width: | 31 mm |
| bearing material: | Steel |
| flanges: | (2) Outer Ring, (1) Inner Ring |
| cage material: | Brass |
| 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: | 31 mm |
| operating temperature range: | Maximum of +300 °F |
| fillet radius: | 2 mm |
| dynamic load capacity: | 173 kN |
| series: | NJ3 |
| static load capacity: | 160 kN |
| d1 ≈ | 84.3 mm |
| D1 ≈ | 108.6 mm |
| r1,2 min. | 2.1 mm |
| r3,4 min. | 2.1 mm |
| s max. | 2.1 mm |
| da min. | 72 mm |
| da max. | 74 mm |
| db min. | 87 mm |
| Da max. | 118.1 mm |
| ra max. | 2 mm |
| Basic dynamic load rating C | 173 kN |
| Basic static load rating C0 | 160 kN |
| Fatigue load limit Pu | 21.2 kN |
| Calculation factor kr | 0.15 |
| Limiting value e | 0.2 |
| Axial load factor Y | 0.6 |
| Mass bearing | 2.18 kg |
English
Precision accessories MFG.CORP2020-07-10 09:46:19
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