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3. Preload and Rigidity Table 3 Preload Slight Unit: N Fig. 5 Direction of load
preload (Z1)
We offer two levels of preload: Medium Model No. Medium Vertical direction
preload Z3 and Slight preload Z1. – preload (Z3) load
RA15 AN, AL, EM –
Fig. 6 Rigidity measurement data RA20 AN, EMHigh-load type 880 1 030
RA25 AN, AL, EM 1 170 1 920
RA30 AN, AL, EMSuper-high-load type 1 600 2 920
RA35 AN, AL, EM 2 780 3 890
RA45 AN, AL, EM 3 870 5 330
RA55 AN, AL, EM 6 300 9 280
RA65 AN, EM – 12 900
RA15 BN, BL, GM – 21 000
RA20 BN, GM 1 060 1 300
RA25 BN, BL, GM 1 430 2 400
RA30 BN, BL, GM 2 020 3 540
RA35 BN, BL, GM 3 480 4 760
RA45 BN, BL, GM 5 040 6 740
RA55 BN, BL, GM 8 640 11 600
RA65 BN, GM 16 800
28 800

Deformation, m 25 Deformation, m 25

20 20 RA25
RA15 15 RA30
10 RA35
15
5
10 RA20
0
5 0 2 500 5 000 7 500 10 000 12 500 15 000
Load, N
0
0 1 000 2 000 3 000 4 000 5 000 6 000 Vertical direction rigidity: High-load type/standard
Load, N (Roller slide shape: AN, AL, EM)

Vertical direction rigidity: High-load type/standard
(Roller slide shape: AN, AL, EM)

Deformation, m RA45 RA55
25

RA65
20

15

10

5

0
0 10 000 20 000 30 000 40 000 50 000 60 000
Load, N

Vertical direction rigidity: High-load type/standard
(Roller slide shape: AN, AL, EM)

25 25

Deformation, m 20 Deformation, m 20 RA25
RA15 RA30

15 15
10 RA35
10 RA20

5 5

0 0 2 000 4 000 6 000 8 000 0 0 5 000 10 000 15 000 20 000

Load, N Load, N

Vertical direction rigidity: Super-high-load type/long Vertical direction rigidity: Super-high-load type/long

(Roller slide shape: BN, BL, GM) (Roller slide shape: BN, BL, GM)

RA45 RA55
25

Deformation, m 20 RA65

15

10

5

0 0 20 000 40 000 60 000 80 000

Load, N

Vertical direction rigidity: Super-high-load type/long

(Roller slide shape: BN, BL, GM)

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