SKF Deep Groove Ball Bearing 6306 -2Z

Shielded deep groove ball bearings from SKF are flexible bearings that can handle high and extremely high speeds. In both directions, they can support radial and axial loads. Ball bearings are extremely low-maintenance. SKF deep groove ball bearings are available in a variety of sizes. Single row ball bearings are included in this category.

Shielded (2Z) bearings include two metallic dust shields to prevent dirt and extraneous debris from entering the bearing. 2Z bearings with two low-friction seals are known as 2RZ bearings.

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Description

DIMENSIONS

d	30 mm	Bore diameter
D	72 mm	Outside diameter
B	19 mm	Width
d₁	≈44.6 mm	Shoulder diameter
D₂	≈61.88 mm	Recess diameter
r_1,2	min.1.1 mm	Chamfer dimension

ABUTMENT DIMENSIONS

d_a	min.37 mm	Diameter of shaft abutment
d_a	max.44.5 mm	Diameter of shaft abutment
D_a	max.65 mm	Diameter of housing abutment
r_a	max.1 mm	Radius of shaft or housing fillet

CALCULATION DATA

Basic dynamic load rating	C	29.6 kN
Basic static load rating	C₀	16 kN
Fatigue load limit	P_u	0.67 kN
Reference speed		20 000 r/min
Limiting speed		11 000 r/min
Minimum load factor	k_r	0.03
Calculation factor	f₀	13.1

MASS

Mass bearing

0.36 kg

TOLERANCE CLASS

Dimensional tolerances	P6
Radial run-out	P6

TOLERANCES AND CLEARANCES

Bearing data

Bearing interfaces

Brand

SKF

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SKF Deep Groove Ball Bearing 6306 -2Z