Product Details

3 mm x 8 mm x 4 mm skf W 639/3 R-2Z Deep groove ball bearings

Brand Name skf
Model Number W 639/3 R-2Z
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

skf W 639/3 R-2Z bearing Size Chart (mm/inches)

d70 mm
D150 mm
B35 mm
E130 mm
F90 mm
d198 mm
rs min2.1 mm
r1s min2.1 mm
Radial clearance classC4
Mass (without HJ ring)2.84 kg
Dynamic load, C158 kN
Static load, C0168 kN
Fatigue limit load, Cu19.9 kN
Nlim (oil)5,500 rpm
Nlim (grease)4,700 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.41 Hz
Characteristic rolling element frequency, BSF5.32 Hz
Characteristic outer ring frequency, BPF05.32 Hz
Characteristic inner ring frequency, BPFI7.68 Hz
da min81 mm
da max87 mm
dc min100 mm
Da max139 mm
ra max2 mm
CategoryCylindrical Roller Bearings
Inventory0.0
Manufacturer NameNTN
Minimum Buy QuantityN/A
Weight / Kilogram2.79
EAN4547359123463
Product GroupB04144
Bore ProfileStraight
Cage MaterialSteel
Precision ClassRBEC 1 | ISO P0
Number of Rows of RollersSingle Row
SeparableInner Ring - One Side
Rolling ElementCylindrical Roller Bearing
ProfileComplete with Outer and Inner Ring
Snap RingNo
Internal ClearanceC4-Extra Loose
RetainerYes
RelubricatableYes
Inch - MetricMetric
Other Features1 Rib Inner Ring | 2 Rib Outer Ring | Cage On Outer Ring ID
Long Description70MM Bore; Straight Bore Profile; 150MM Outside Diameter; 35MM Width; Steel Cage Matetrial; RBEC 1 | ISO P0; Single Row; Inner Ring - One Side Separable; No Snap Ring; Relubricatable; C4-Extra Loose I
CategoryCylindrical Roller Bearing
UNSPSC31171547
Harmonized Tariff Code8482.50.00.00
NounBearing
Manufacturer URLhttp://www.ntnamerica.com
Manufacturer Item NumberNJ314C4
Weight / LBS6.144
Bore2.756 Inch | 70 Millimeter
Outside Diameter5.906 Inch | 150 Millimeter
Width1.378 Inch | 35 Millimeter
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