CAT 307 Excavator Slewing Bearing
| Bearing number: |
6909 |
| Size (mm): |
45x68x12 |
| Bore Diameter (mm): |
45 |
| Outer Diameter (mm): |
68 |
| Width (mm): |
12 |
| d: |
45 mm |
| D: |
68 mm |
| B: |
12 mm |
| PDF |
|
Product Details
| Bearing number |
6909 |
| Size (mm) |
45x68x12 |
| Bore Diameter (mm) |
45 |
| Outer Diameter (mm) |
68 |
| Width (mm) |
12 |
| d |
45 mm |
| D |
68 mm |
| B |
12 mm |
| C |
12 mm |
| r min. |
0,6 mm |
| da min. |
49 mm |
| da max |
51 mm |
| Da max. |
64 mm |
| ra max. |
0,6 mm |
| Weight |
0,128 Kg |
| Basic dynamic load rating (C) |
13,1 kN |
| Basic static load rating (C0) |
10,4 kN |
| (Grease) Lubrication Speed |
9 800 r/min |
| (Oil) Lubrication Speed |
12 000 r/min |
| rs min |
0.6 mm |
| Radial clearance class |
CN |
| Mass |
0.13 kg |
| Dynamic load, C |
13.1 kN |
| Static load, C0 |
10.4 kN |
| Fatigue limit load, Cu |
0.47 kN |
| f0 |
16.1 |
| Nlim (oil) |
12,000 rpm |
| Nlim (grease) |
9,800 rpm |
| Min operating temperature, Tmin |
-20 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.44 Hz |
| Characteristic rolling element frequency, BSF |
8.78 Hz |
| Characteristic outer ring frequency, BPF0 |
7.1 Hz |
| Characteristic inner ring frequency, BPFI |
8.9 Hz |
| da min |
49 mm |
| Da max |
64 mm |
| ra max |
0.6 mm |
| Category |
Single Row Ball Bearing |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.135 |
| 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 |
45MM Bore; 68MM Outside Diameter; 12MM 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 |
6909 |
| Weight / LBS |
0.298 |
| Outside Diameter |
2.677 Inch | 68 Millimeter |
| Outer Race Width |
0.472 Inch | 12 Millimeter |
| Bore |
1.772 Inch | 45 Millimeter |
| bore diameter: |
45 mm |
| finish/coating: |
Uncoated |
| outside diameter: |
68 mm |
| bearing material: |
High Carbon Chrome Steel |
| overall width: |
12 mm |
| cage material: |
Steel |
| bore type: |
Round |
| inner ring width: |
12 mm |
| closure type: |
Open |
| outer ring width: |
12 mm |
| row type & fill slot: |
Single Row Non-Fill Slot |
| maximum rpm (grease): |
9800 rpm |
| snap ring included: |
Without Snap Ring |
| maximum rpm (oil): |
12000 rpm |
| internal clearance: |
CN |
| fillet radius: |
0.6 mm |
| operating temperature range: |
-40 to 120 ºC |
| maximum rpm: |
12000 RPM |
| dynamic load capacity: |
13100 N |
| series: |
69 |
| static load capacity: |
10400 N |
| manufacturer product page: |
Click here |
| precision rating: |
Class 0 |