Back to Ball Bushings

Related Products:

Shafts

Aluminium Housings (standard length)

Aluminium Housings (tandem length)

Aluminium Shaft Supports

Cast Iron Housings

General Links:

Housings

Shafts & Supports

HOME > LINEAR BEARINGS > BALL BUSHINGS > SUPER BALL BUSHINGS (OPEN)

Open Type Super Ball Bushings

SK71 super open ball bushing

These ball bushings have the same boundary dimensions as the standard open ball bushings. They offer the same advantage of self alignment as the closed type Super Ball Bushings. Because of an additional ball race in the larger size ball bushings, their carrying capacity is slightly increased.

The bushing is provided with a retention hole to secure it against displacement.

The load capacity shown in the table is only valid for load applied vertically. If the load is acting in any other direction, the load capacity must be taken from the diagrams shown below.

SK71 open linear bearing

REF WITH 2 SEALS

d
D

B

-0.2

b

h14

w
alpha

No of Ball Circuits

Load N

C

Load N

Co

Weight

Kg

SK71-212
12
22
32
20
6.5
66
4
1250
1620
0.017
SK71-216
16
26
36
22
9
68
4
1560
1930
0.035
SK71-220
20
32
45
28
9
55
5
2090
2630
0.048
SK71-225
25
40
58
40
11.5
57
5
3070
4720

0.103

SK71-230
30
47
68
48
14
57
5
5470
6810
0.177
SK71-240
40
62
80
56
19.5
56
5
6590
8230
0.275
SK71-250
50
75
100
72
23.5
50
6
8200
8950
0.510

 

Load capacity diagram for 12 & 16mm bushes
Load capacity diagram for 20 to 40mm bushes
loads for 16 & loads for