WBB1-8707-2Z SKF Mass bearing 0.002 kg 13x7x4mm Deep groove ball bearings
| Bearing number | WBB1-8707-2Z |
| Size (mm) | 13x7x4 |
| Brand | SKF |
| Bore Diameter (mm) | 13 |
| Outer Diameter (mm) | 7 |
| Width (mm) | 4 |
| d | 7 mm |
| D | 13 mm |
| B | 4 mm |
| d2 | 9 mm |
| D2 | 11.75 mm |
| r1,2 – min. | 0.15 mm |
| da – min. | 8.2 mm |
| da – max. | 8.9 mm |
| Da – max. | 11.9 mm |
| ra – max. | 0.15 mm |
| Basic dynamic load rating – C | 0.312 kN |
| Basic static load rating – C0 | 0.143 kN |
| Fatigue load limit – Pu | 0.006 kN |
| Reference speed | 100000 r/min |
| Limiting speed | 50000 r/min |
| Calculation factor – kr | 0.015 |
| Calculation factor – f0 | 8.3 |
| d2 ≈ | 9 mm |
| D2 ≈ | 11.75 mm |
| r1,2 min. | 0.15 mm |
| da min. | 8.2 mm |
| da max. | 8.9 mm |
| Da max. | 11.9 mm |
| ra max. | 0.15 mm |
| Basic dynamic load rating C | 0.312 kN |
| Basic static load rating C0 | 0.143 kN |
| Fatigue load limit Pu | 0.006 kN |
| Calculation factor kr | 0.015 |
| Calculation factor f0 | 8.3 |
| Mass bearing | 0.002 kg |
Detailed Parameters
parameter：
| 23052EMKW33 Thrust roller bearings | D1:365.1 mm ，rs min:4 mm ，Number of lubrication holes:3 ，B:104 mm |
| 32224J2 Tapered roller bearings | Bore Diameter :120mm ，Brand:SKF ，Outer Diameter :215mm ，Width :61.5mm ，Size :120x215x61.5mm |
| 99537/99100 Cylindrical roller bearings | Bore Diameter :136.525mm ，Brand:NSK ，d:136.525 mm ，Size :136.525x254x66.675mm ，Outer Diameter :254mm ，Width :66.675mm |
| 30BG05S5G-2DST Angular contact ball bearings | Outer Diameter :55mm ，Width :23mm ，Bore Diameter :30mm ，Brand:NACHI ，d:30 mm ，Size :30x55x23mm |
| NJ 2309 Cylindrical roller bearings | Bore Diameter :45mm ，Outer Diameter :100mm ，Size :45x100x36mm ，Brand:ISB ，Width :36mm |
| HS7006-C-T-P4S Angular contact ball bearings | Bore Diameter :30mm ，Size :30x55x13mm ，Brand:FAG ，Outer Diameter :55mm ，Width :13mm |
| 6311-2Z Deep groove ball bearings | EAN:7316570204612 ，BDI Inventory:1.0 ，Category:Single Row Ball Bearings ，Weight / Kilogram:1.44 ，Manufacturer Name:SKF ，Minimum Buy Quantity:N/A |
| 32952 Tapered roller bearings | Width :63.5mm ，Bore Diameter :260mm ，Size :260x360x63.5mm ，d:260 mm ，Brand:Timken ，Outer Diameter :360mm |
| 6208FT150ZZ Deep groove ball bearings | D1:70.4 mm ，rs min:1.1 mm ，d1:50.3 mm ，Radial clearance class:C3 |
| NK10/16-TV Needle roller bearings | Brand:INA ，Size :10x17x16mm ，Outer Diameter :17mm ，Bore Diameter :10mm |
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