8 mm x 28 mm x 9 mm PFI 638-2RS C3 deep groove ball bearings
| Brand Name |
PFI |
| Model Number |
638-2RS C3 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
PFI 638-2RS C3 bearing Size Chart (mm/inches) |
|---|
| Bearing number | 7204B |
| Size (mm) | 20x47x14 |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 47 |
| Width (mm) | 14 |
| d | 20 mm |
| D | 47 mm |
| B | 14 mm |
| C | 14 mm |
| Angle (α) | 40 ° |
| a | 21,5 mm |
| r min. | 1 mm |
| r1 min. | 0,6 mm |
| da min. | 25,5 mm |
| db min | 24,5 mm |
| ra max. | 1 mm |
| Weight | 0,102 Kg |
| Basic dynamic load rating (C) | 13,3 kN |
| Basic static load rating (C0) | 7,7 kN |
| (Grease) Lubrication Speed | 15 000 r/min |
| Contact angle α | 40 ° |
| rs min | 1 mm |
| r1s min | 0.6 mm |
| Mass | 0.1 kg |
| Dynamic load, C | 13.3 kN |
| Static load, C0 | 7.7 kN |
| Fatigue limit load, Cu | 0.35 kN |
| Nlim (oil) | 20,000 rpm |
| Nlim (grease) | 15,000 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.41 Hz |
| Characteristic rolling element frequency, BSF | 4.22 Hz |
| Characteristic outer ring frequency, BPF0 | 4.53 Hz |
| Characteristic inner ring frequency, BPFI | 6.47 Hz |
| da min | 25.5 mm |
| Da max | 41.5 mm |
| Db max | 42.5 mm |
| r1a max | 0.6 mm |
| ra max | 1 mm |
| Category | Angular Contact Ball Bearings |
| Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.105 |
| EAN | 4547359437737 |
| Product Group | B00308 |
| Enclosure | Open |
| Flush Ground | No |
| Rolling Element | Ball Bearing |
| Number of Rows of Balls | Single Row |
| Precision Class | ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot | No |
| Snap Ring | No |
| Cage Material | Steel |
| Contact Angle | 40 Degree |
| Internal Clearance | C0-Medium |
| Number of Bearings | 1 (Single) |
| Inch - Metric | Metric |
| Long Description | 20MM Bore; 47MM Outside Diameter; 14MM Width; Open; No Flush Ground; Ball Bearing; Single Row of Balls; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring |
| Category | Angular Contact Ball Bearing |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact |
| Manufacturer URL | http://www.ntnamerica.com |
| Manufacturer Item Number | 7204B |
| Weight / LBS | 0.232 |
| Width | 0.551 Inch | 14 Millimeter |
| Outside Diameter | 1.85 Inch | 47 Millimeter |
| Bore | 0.787 Inch | 20 Millimeter |
| bore diameter: | 20 mm |
| radial static load capacity: | 7700 N |
| outside diameter: | 47 mm |
| operating temperature range: | -40 to 120 ºC |
| overall width: | 14 mm |
| cage material: | Steel |
| contact angle: | 40 ° |
| outer ring width: | 14 mm |
| row type & fill slot: | Single-Row Non-Fill Slot |
| maximum rpm: | 20000 rpm |
| internal clearance: | C0 |
| finish/coating: | Uncoated |
| bore type: | Round |
| precision rating: | ISO Class 0 |
| closure type: | Open |
| fillet radius: | 1 mm |
| snap ring included: | Without Snap Ring |
| series: | 72B |
| bearing material: | High Carbon Chrome Steel |
| weight: | 0.105 kg |
| radial dynamic load capacity: | 13300 N |
| manufacturer product page: | Click here |