6903 Hybrid Ceramic Bearing 17x30x7 mm ABEC-1 ( 1 PC ) Bicycle Bottom Brackets & Spares 6903RS Si3N4 Ball Bearings
100% Authentic. 6903 Hybrid Ceramic Bearing 17x30x7 mm ABEC-1 ( 1 PC ) Bicycle Bottom Brackets & Spares 6903RS Si3N4 Ball Bearings Bearings with Housin Type Highest Quality. Certified Supplier.
| Model Number: | 6903 |
| Bearing number: | 6324 |
| Size (mm): | 120x260x55 |
| Bore Diameter (mm): | 120 |
| Outer Diameter (mm): | 260 |
| Width (mm): | 55 |
| d: | 120 mm |
| D: | 260 mm |
| B: | 55 mm |
| PDF |
6903 |
Product Details
| Bearing number | 6324 |
| Size (mm) | 120x260x55 |
| Bore Diameter (mm) | 120 |
| Outer Diameter (mm) | 260 |
| Width (mm) | 55 |
| d | 120 mm |
| D | 260 mm |
| B | 55 mm |
| C | 55 mm |
| r min. | 3 mm |
| da min. | 133 mm |
| Da max. | 247 mm |
| ra max. | 2,5 mm |
| Weight | 12,4 Kg |
| Basic dynamic load rating (C) | 207 kN |
| Basic static load rating (C0) | 185 kN |
| (Grease) Lubrication Speed | 2 600 r/min |
| (Oil) Lubrication Speed | 3 100 r/min |
| rs min | 3 mm |
| Radial clearance class | CN |
| Mass | 12.4 kg |
| Dynamic load, C | 207 kN |
| Static load, C0 | 185 kN |
| Fatigue limit load, Cu | 6.1 kN |
| f0 | 13.5 |
| Nlim (oil) | 3,100 rpm |
| Nlim (grease) | 2,600 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 | 4.39 Hz |
| Characteristic outer ring frequency, BPF0 | 3.13 Hz |
| Characteristic inner ring frequency, BPFI | 4.87 Hz |
| da min | 133 mm |
| Da max | 247 mm |
| ra max | 2.5 mm |
| Category | Single Row Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 12.611 |
| 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 | 120MM Bore; 260MM Outside Diameter; 55MM 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 |
| Bore | 4.724 Inch | 120 Millimeter |
| Outside Diameter | 10.236 Inch | 260 Millimeter |
| Outer Race Width | 2.165 Inch | 55 Millimeter |
| bore diameter: | 120 mm |
| precision rating: | Class 0 |
| outside diameter: | 260 mm |
| finish/coating: | Uncoated |
| overall width: | 55 mm |
| bearing material: | High Carbon Chrome Steel |
| bore type: | Round |
| cage material: | Steel |
| closure type: | Open |
| inner ring width: | 55 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| outer ring width: | 55 mm |
| snap ring included: | Without Snap Ring |
| maximum rpm (grease): | 2600 rpm |
| internal clearance: | CN |
| maximum rpm (oil): | 3100 rpm |
| operating temperature range: | -40 to 120 ºC |
| fillet radius: | 3 mm |
| dynamic load capacity: | 207000 N |
| manufacturer product page: | Click here |
| static load capacity: | 185000 N |
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