Cylindrical-Roller-Bearing-Inner-Ring-Two-Ribs-Separable-Plain-Outer-Ring-N-Type – N228

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ITEM NUMBER

N228

Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - N Type

d140,000 mmBore

D250,000 mmOutside diameter

B42,000 mmWidth

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TECHNICAL DATA

Specifications for N228

Units

Technical Specifications

Type: Cylindrical Roller Bearing
Bore Type: Round
Material: Hardened Alloy Steel
Cage Material: Pressed Steel
Limiting Speed - Oil: 3100.0 RPM
Limiting Speed - Grease: 2700 RPM
Precision: ISO Class 0
Configuration: One
Oil Hole: w/o Oil Hole
Radial Internal Clearance: CN
Static Load Rating: 400000 N
Dynamic Load Rating: 310000 N
Enclosure: Open
Weight: 8.170 kg

Dimensional Specifications

d: 140.000 mm
D: 250.000 mm
B: 42.000 mm
Ew: 221.000 mm
J: 179.500 mm
r: 3.000 mm
da min: 153.000 mm
db min: 153.000 mm
Da max: 237.000 mm
Db max: 237.000 mm
Db min: 237.000 mm
r1as max: 3.000 mm

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