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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


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