NTN - Precision Rolling Bearings

Ball Screw Support Bearings
When one row
bears axial load
DF)
When two rows
bear axial load
DFT)
When two rows
bear axial load
DTFT)
When three rows
bear axial load
DFTT)
Dimensions Space Static axial load capacity
capacity
mm cm 3 kN
Single-row
kg
d1 d2 D1 D2 (approx.) 1 2 3
29.9
29.9
44.4
44.4
52.4
52.4
64.8
58.4
75.8
75.8
75.8
90.8
90.8
27.1
40.7
25.7 51.5 77.0
37.1
3.3
25.7 41.2 2 620 5 250 7 850
27.1
40.7
25.7 51.5 77.0
37.1
3.3
25.7 41.2 2 620 5 250 7 850
41.6
55.2
40.0 80.5 121
51.6
4.6
40.2 55.7 4 100 8 200 12 300
41.6
55.2
40.0 80.5 121
51.6
4.6
40.2 55.7 4 100 8 200 12 300
49.6
63.2
47.5 95.0 143
59.6
5.4
48.2 63.7 4 850 9 700 14 600
49.6
63.2
47.5 95.0 143
59.6
5.4
48.2 63.7 4 850 9 700 14 600
60.7
80.4
88.5 177 265
75.2
12
59.1 81.6 9 000 18 000 27 000
55.6
69.2
52.5 177 158
65.6
6.0
54.2 69.7 5 350 10 700 16 100
71.7
91.4
104 208 315
86.2
13
70.1 92.6 10 600 21 200 32 000
71.7
91.4
104 208 315
86.2
13
70.1 92.6 10 600 21 200 32 000
71.7
91.4
104 208 315
86.2
13
70.1 92.6 10 600 21 200 32 000
86.7
106.4
124 249 375
101.2
16
85.1 107.6 12 700 25 400 38 000
86.7
106.4
124 249 375
101.2
16
85.1 107.6 12 700 25 400 38 000
285