NSK 22228CDE4 bearings

22228CDE4, NSK, Spherical roller bearings

Measurement system: Metric
Bore diameter: 140.000 mm
Outside diameter: 250.000 mm
Width: 68.000 mm
Cr: 645000 N
C0r: 930000 N
Limiting speed: 1700 r/min
Net weight: 14.5 kg
Number of rows: 2
Sealing: Without
Locating feature: Without
Cage: Steel sheet metal
Bore type: Cylindrical
Bearing material: Steel
Rolling material: Steel
Tolerance class: Normal (PN)
Internal clearance: CN
Lubricant in bearing: None
Relubrication feature: With

In stock

Technical specification for NSK 22228CDE4

NSK 22228CDE4
Boundary Dimensions
NSK Designation	22228CDE4
d	140 mm	Bore diameter
D	250 mm	Outside diameter
B	68 mm	Width
r (min.)	3 mm	Chamfer dimension
Basic Load Ratings
Cr	645000 N	Basic dynamic load rating
C0r	930000 N	Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)	2400 r/min	Oil-bath lubrication subject to conditions outlined in ISO 15312
Grease	1400 r/min	Grease lubrication
Oil (Oil-bath)	1700 r/min	Oil-bath lubrication
Abutment and Fillet Dimensions
da min.	154 mm	Diameter of shaft abutment
da max.	167 mm	Diameter of shaft abutment
Da min.	219 mm	Diameter of housing abutment
Da max.	236 mm	Diameter of housing abutment
ra max.	2.5 mm	Radius of shaft or housing fillet
Calculation factors
e	0.25	Constant
Y2	4	Axial load Factors
Y3	2.7	Axial load Factors
Y0	2.6	Axial load Factors
Mass
Mass (approx.)	14.5 kg

NSK 22228CDE4 spherical roller bearing is designed for high load capacity. 22228CDE4 bearing have pressed steel cage. An oil groove and holes are privided in the outer ring so supply lubricant. Boundary dimensions: 140 x 250 x 68 mm.

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