excavator E70B swing ring bearing circle for Caterpillar
With over 10170 full-service stores, our excavator E70B swing ring bearing circle for Caterpillar inventory is extensive and our parts are priced right. within 24 hours. 30x72x19 This helps you maximize your productivity by Jinan Excavator Parts Company saving 30x72x19 Size (mm) time and your hard-earned dollars.
| Min.Order Quantity | 1 pcs |
| Price | Negotiable |
Product Details
| Bearing number | 6306 |
| Size (mm) | 30x72x19 |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 19 |
| d | 30 mm |
| D | 72 mm |
| B | 19 mm |
| C | 19 mm |
| r min. | 1,1 mm |
| da min. | 36,5 mm |
| da max | 43 mm |
| Da max. | 65,5 mm |
| ra max. | 1 mm |
| Weight | 0,36 Kg |
| Basic dynamic load rating (C) | 26,7 kN |
| Basic static load rating (C0) | 15 kN |
| (Grease) Lubrication Speed | 10 000 r/min |
| (Oil) Lubrication Speed | 12 000 r/min |
| rs min | 1.1 mm |
| Radial clearance class | CN |
| Mass | 0.36 kg |
| Dynamic load, C | 26.7 kN |
| Static load, C0 | 15 kN |
| Fatigue limit load, Cu | 0.68 kN |
| f0 | 13.3 |
| Nlim (oil) | 12,000 rpm |
| Nlim (grease) | 10,000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.39 Hz |
| Characteristic rolling element frequency, BSF | 4.14 Hz |
| Characteristic outer ring frequency, BPF0 | 3.08 Hz |
| Characteristic inner ring frequency, BPFI | 4.92 Hz |
| da min | 36.5 mm |
| Da max | 65.5 mm |
| ra max | 1 mm |
| Category | Single Row Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.345 |
| Product Group | B00308 |
| Enclosure | Open |
| Precision Class | ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot | No |
| Rolling Element | Ball Bearing |
| Snap Ring | No |
| Internal Special Features | No |
| Cage Material | Steel |
| Internal Clearance | C0-Medium |
| Inch - Metric | Metric |
| Long Description | 30MM Bore; 72MM Outside Diameter; 19MM Outer Race Diameter; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features |
| UNSPSC | 31171504 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Ball |
| Manufacturer Item Number | 6306U |
| Weight / LBS | 0.762 |
| Outside Diameter | 2.835 Inch | 72 Millimeter |
| Outer Race Width | 0.748 Inch | 19 Millimeter |
| Bore | 1.181 Inch | 30 Millimeter |
| bore diameter: | 30 mm |
| finish/coating: | Uncoated |
| outside diameter: | 72 mm |
| bearing material: | High Carbon Chrome Steel |
| overall width: | 19 mm |
| cage material: | Steel |
| bore type: | Round |
| inner ring width: | 19 mm |
| closure type: | Open |
| outer ring width: | 19 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| maximum rpm (grease): | 10000 rpm |
| snap ring included: | Without Snap Ring |
| maximum rpm (oil): | 12000 rpm |
| internal clearance: | CN |
| fillet radius: | 1.1 mm |
| operating temperature range: | -40 to 120 ºC |
| maximum rpm: | 6600 RPM |
| dynamic load capacity: | 26700 N |
| series: | 63 |
| static load capacity: | 15000 N |
| manufacturer product page: | Click here |
| precision rating: | Class 0 |
Company Profile
| Worktime | 9:00-18:00(Beijing time) |
| Phone | 86 0531-8299 9952 |
| Fax | 86 0531 -82990353 |