SKF NA 4900.2RS Roller Bearings
| Bearing number: | 638/5-2Z |
| Size (mm): | 11x5x5 |
| Bore Diameter (mm): | 11 |
| Outer Diameter (mm): | 5 |
| Width (mm): | 5 |
| d: | 5 mm |
| D: | 11 mm |
| B: | 5 mm |
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Product Details
| Bearing number | 638/5-2Z |
| Size (mm) | 11x5x5 |
| Bore Diameter (mm) | 11 |
| Outer Diameter (mm) | 5 |
| Width (mm) | 5 |
| d | 5 mm |
| D | 11 mm |
| B | 5 mm |
| d2 | 6.2 mm |
| D2 | 9.9 mm |
| r1,2 - min. | 0.15 mm |
| da - min. | 5.8 mm |
| da - max. | 6 mm |
| Da - max. | 10.2 mm |
| ra - max. | 0.1 mm |
| Basic dynamic load rating - C | 0.64 kN |
| Basic static load rating - C0 | 0.26 kN |
| Fatigue load limit - Pu | 0.011 kN |
| Reference speed | 120000 r/min |
| Limiting speed | 60000 r/min |
| Calculation factor - kr | 0.015 |
| Calculation factor - f0 | 11 |
| Category | Single Row Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.002 |
| Product Group | B00308 |
| Enclosure | 2 Metal Shields |
| 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 | 5MM Bore; 11MM Outside Diameter; 5MM Outer Race Width; 2 Metal Shields; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features; C0-Medium Internal Clearance; Steel |
| Other Features | Deep Groove |
| UNSPSC | 31171504 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Ball |
| Manufacturer Item Number | 638/5-2Z |
| Weight / LBS | 0.0016 |
| Bore | 0.197 Inch | 5 Millimeter |
| Inner Race Width | 0 Inch | 0 Millimeter |
| Outside Diameter | 0.433 Inch | 11 Millimeter |
| Outer Race Width | 0.197 Inch | 5 Millimeter |
| bore diameter: | 5 mm |
| static load capacity: | 0.26 kN |
| outside diameter: | 11 mm |
| finish/coating: | Uncoated |
| overall width: | 5 mm |
| bearing material: | Steel |
| bore type: | Round |
| cage material: | Steel |
| closure type: | Double Shielded |
| fillet radius: | 0.15 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| maximum rpm: | 120000 rpm |
| snap ring included: | Without Snap Ring |
| weight: | 0.0035 lb |
| operating temperature range: | -40 to 212 °F °F |
| manufacturer product page: | Click here |
| dynamic load capacity: | 0.64 kN |
| manufacturer upc number: | 7316570260175 |
| d2 ≈ | 6.2 mm |
| D2 ≈ | 9.9 mm |
| r1,2 min. | 0.15 mm |
| da min. | 5.8 mm |
| da max. | 6 mm |
| Da max. | 10.2 mm |
| ra max. | 0.1 mm |
| Basic dynamic load rating C | 0.468 kN |
| Basic static load rating C0 | 0.143 kN |
| Fatigue load limit Pu | 0.006 kN |
| Calculation factor kr | 0.015 |
| Calculation factor f0 | 7.1 |
| Mass bearing | 0.0016 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
