SKF 6311-2Z bearings

6311-2Z Deep groove ball bearing with shields, Popular item, SKF Explorer

SKF Deep groove ball bearing with shields

Measurement system: Metric
Bore diameter: 55.000 mm
Outside diameter: 120.000 mm
Width: 29.000 mm
Cr: 74100 N
C0r: 45000 N
Limiting speed: 6300 r/min
Net weight: 1.42 kg
Number of rows: 1
Sealing: Shield on both sides
Cage: Steel sheet metal
Bore type: Cylindrical
Outer diameter type: Cylindrical
Bearing material: Steel
Rolling material: Steel
Tolerance class: Dimensional tolerance: P6, Radial run-out: Normal
Internal clearance: CN
Lubricant in bearing: Grease

In stock

Technical specification for SKF 6311-2Z

SKF 6311-2Z
Dimensions
Part Number	6311-2Z
Description	Single row deep groove ball bearings 2Z : Shield on both sides Popular item SKF Explorer
Cage	Sheet metal
Tolerance class	Dimensional tolerance: P6, Radial run-out: Normal
Seal	Shield on both sides
Net weight	1.42 kg
d	55.0 mm	Bore diameter
D	120.0 mm	Outside diameter
B	29.0 mm	Width
d1	≈ 75.34 mm	Shoulder diameter
D2	≈ 103.7 mm	Recess diameter
r1,2	min. 2.0 mm	Chamfer dimension
Abutment Dimensions
da	min. 66.0 mm	Diameter of shaft abutment
da	max. 75.2 mm	Diameter of shaft abutment
Da	max. 109.0 mm	Diameter of housing abutment
ra	max. 2.0 mm	Radius of shaft or housing fillet
Calculation Data
C	74.1 kN	Basic dynamic load rating
C0	45.0 kN	Basic static load rating
Pu	1.9 kN	Fatigue load limit
	6300.0 r/min	Limiting speed
	12000.0 r/min	Reference speed
kr	0.03	Minimum load factor
f0	13.1	Calculation factor

SKF 6311-2Z ,single row deep groove ball bearing with seals, Dimensions: 55x120x29 mm, sheet metal cage, Dimensional tolerance: P6, Radial run-out: Normal.

2Z : Shield on both sides

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