Komatsu 135-21-31220 Maintainer
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu 135-21-31220 Maintainer Size Chart (mm/inches) |
|---|
| Bearing number | 6906 |
| Size (mm) | 30x47x9 |
| Bore Diameter (mm) | 30 |
| Outer Diameter (mm) | 47 |
| Width (mm) | 9 |
| d | 30 mm |
| D | 47 mm |
| B | 9 mm |
| C | 9 mm |
| r min. | 0,3 mm |
| da min. | 32 mm |
| da max | 34 mm |
| Da max. | 45 mm |
| ra max. | 0,3 mm |
| Weight | 0,048 Kg |
| Basic dynamic load rating (C) | 7,25 kN |
| Basic static load rating (C0) | 5 kN |
| (Grease) Lubrication Speed | 14 000 r/min |
| (Oil) Lubrication Speed | 17 000 r/min |
| rs min | 0.3 mm |
| Radial clearance class | CN |
| Mass | 0.05 kg |
| Dynamic load, C | 7.25 kN |
| Static load, C0 | 5 kN |
| Fatigue limit load, Cu | 0.23 kN |
| f0 | 15.8 |
| Nlim (oil) | 17,000 rpm |
| Nlim (grease) | 14,000 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 | 7.96 Hz |
| Characteristic outer ring frequency, BPF0 | 6.13 Hz |
| Characteristic inner ring frequency, BPFI | 7.87 Hz |
| da min | 32 mm |
| Da max | 45 mm |
| ra max | 0.3 mm |
| Category | Single Row Ball Bearings |
| Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.05 |
| EAN | 4547359006711 |
| 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; 47MM Outside Diameter; 9MM Outer Race Diameter; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features |
| Category | Single Row Ball Bearing |
| UNSPSC | 31171504 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Ball |
| Manufacturer URL | http://www.ntnamerica.com |
| Manufacturer Item Number | 6906 |
| Weight / LBS | 0.111 |
| Outside Diameter | 1.85 Inch | 47 Millimeter |
| Bore | 1.181 Inch | 30 Millimeter |
| Outer Race Width | 0.354 Inch | 9 Millimeter |
| bore diameter: | 30 mm |
| finish/coating: | Uncoated |
| outside diameter: | 47 mm |
| bearing material: | High Carbon Chrome Steel |
| overall width: | 9 mm |
| cage material: | Steel |
| bore type: | Round |
| inner ring width: | 9 mm |
| closure type: | Open |
| outer ring width: | 9 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| maximum rpm (grease): | 14000 rpm |
| snap ring included: | Without Snap Ring |
| maximum rpm (oil): | 17000 rpm |
| internal clearance: | CN |
| fillet radius: | 0.3 mm |
| operating temperature range: | -40 to 120 ºC |
| maximum rpm: | 17000 RPM |
| dynamic load capacity: | 7250 N |
| series: | 69 |
| static load capacity: | 5000 N |
| manufacturer product page: | Click here |
| precision rating: | Class 0 |