A Sun Rises Group Limited - manager@sdvvbearing.com
Self-aligning ball bearings 1218

Self-aligning Ball Bearings 1218

Min. Order:
1 Piece
Payment term:
T/T,L/C,Paypal
Delivery time:
3-5days
Skype online
Technical Parameters:
Product Designations:
1218
Structure:
Self-aligning Ball Bearing
Inside Diameter:
90 mm
Outside Diameter:
160 mm
Thickness:
30 mm
Weight:
2.5 KG
Precision Rating:
P0-P5
Bearing Material:
Gcr15
Seals Type:
Open or UU
Self-aligning Ball Bearings 1218

 

1218 Technical Parameters

d

90 mm

D

160 mm

B

30  mm

d1


112.5 mm

D1

138.7 mm

r1,2


min.  2  mm

da min  101 mm

Da

max.  149 mm

ra

max.  2  mm

Basic dynamic load rating

57.2    Kn

Basic static load rating

23.6    Kn

Fatigue load limit


1.08  Kn

Reference speed

8500  r/min

Limiting speed

5300   r/min

Permissible angular misalignment

2.5     °

Mass (KG)

2.5

Self-aligning ball bearings  

1218 have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are available open or sealed. The bearings are insensitive to angular misalignment of the shaft relative to the housing (fig. 1), which can be caused, for example, by shaft deflection.

 

 


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