- Loyal
 - 638/4-2Z
 
638/4-2Z Bearing | Loyal
| 638/4-2Z interchange SKF 638/4-2Z | |
| 638/4-2Z cross reference SKF 638/4-2Z | |
| 638/4-2Z Equivalent bearing interchange guide: | |
| Price: | enquiry | 
| Model Number: | 638/4-2Z | 
| D | 9 mm | 
| d | 4 mm | 
| B | 4 mm | 
| Bore | 0.157 Inch | 4 Millimeter | 
| Noun | Bearing | 
| UNSPSC | 31171504 | 
| Category | Single Row Ball Bearing | 
| Inventory | 0.0 | 
| Enclosure | 2 Metal Shields | 
| Size (mm) | 9x4x4 | 
| Snap Ring | No | 
| Width (mm) | 4 | 
| Mass bearing | 0.0013 kg | 
| Weight / LBS | 0.0013 | 
| Inch - Metric | Metric | 
| Cage Material | Steel | 
| D2 | 8.1 mm | 
| d1 | 5.2 mm | 
| Product Group | B00308 | 
| Other Features | Deep Groove | 
| Keyword String | Ball | 
| Bearing number | 638/4-2Z | 
| Limiting speed | 70000 r/min | 
| Rolling Element | Ball Bearing | 
| Reference speed | 140000 r/min | 
| Precision Class | ABEC 1 | ISO P0 | 
| Outer Race Width | 0.157 Inch | 4 Millimeter | 
| Outside Diameter | 0.354 Inch | 9 Millimeter | 
| Manufacturer URL | http://www.skf.com | 
| Long Description | 4MM Bore; 9MM Outside Diameter; 4MM 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 C | 
| Inner Race Width | 0 Inch | 0 Millimeter | 
| Manufacturer Name | SKF | 
| Weight / Kilogram | 0.001 | 
| Da max. | 8.4 mm | 
| Bore Diameter (mm) | 9 | 
| da max. | 5.1 mm | 
| Internal Clearance | C0-Medium | 
| ra max. | 0.1 mm | 
| da min. | 4.6 mm | 
| Outer Diameter (mm) | 4 | 
| ra - max. | 0.1 mm | 
| Da - max. | 8.4 mm | 
| da - min. | 4.6 mm | 
| Minimum Buy Quantity | N/A | 
| r1,2 min. | 0.1 mm | 
| da - max. | 5.1 mm | 
| D2 ≈ | 8.1 mm | 
| d1 ≈ | 5.2 mm | 
| r1,2 - min. | 0.1 mm | 
| Harmonized Tariff Code | 8482.10.50.68 | 
| Internal Special Features | No | 
| Basic dynamic load rating C | 0.423 kN | 
| Basic dynamic load rating - C | 0.54 kN | 
| Maximum Capacity / Filling Slot | No | 
| Fatigue load limit Pu | 0.005 kN | 
| Calculation factor kr | 0.015 | 
| Calculation factor f0 | 6.5 | 
| Calculation factor - kr | 0.015 | 
| Fatigue load limit - Pu | 0.07 kN | 
| Calculation factor - f0 | 10 | 
| Basic static load rating C0 | 0.116 kN | 
| Basic static load rating - C0 | 0.18 kN | 
UCTH211-35J-300 with Setscrew(inch)
CNSORDERNO: Normal-duty(2)
TOGN: UCTH211-35J-300
SDI: B-R1/8
SD: 2 3/16
UCTH205-16J-150 with Setscrew(inch)
CNSORDERNO: Normal-duty(2)
TOGN: UCTH205-16J-150
SDI: B-1/4-28UNF
SD: 1.00000000
UCTH205-14J-150 with Setscrew(inch)
CNSORDERNO: Normal-duty(2)
TOGN: UCTH205-14J-150
SDI: B-1/4-28UNF
SD: 7/8


 
 
 
 
 
 
 
638/4-2Z PDF download