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Note: Request for size 55 and 65 MSA-A / MSA-LA carriage, please refer to MSA-E / MSA-LE carriage type.
Note: The basic dynamic load rating C of ball type is based on the 50 km for nomonal life.
　　　 The conversion between C for 50 km and C100 for 100 km is C=1.26 x C100.
Note*: Single: Single carriage/ Double: Double carriages closely contacting with each other.
Unit:mm
Model No. External dimension Carriage dimension
Height
H 		Width
W		 Length
L		 W2

H2

 B

C

S × l L1 T T1 N G K d1 Grease
Nipple
MSA 15A

24

 47 56.3 16 4.2 38 30 M5 × 11 39.3 7 11 4.3 7 3.2 3.3 G-M4
MSA 20A
MSA 20LA		 30 63 72.9
88.8		 21.5 5 53 40 M6 × 10 51.3
67.2		 7 10 5 12 5.8 3.3 G-M6
MSA 25A
MSA 25LA

36

 70 81.6
100.6		 23.5 6.5 57 45 M8 × 16 59
78		 11 16 6 12 5.8 3.3 G-M6
MSA 30A
MSA 30LA		 42 90 97
119.2
31 8 72 52 M10 × 18 71.4
93.6		 11 18 7 12 6.5 3.3 G-M6
MSA 35A
MSA 35LA

48

 100 111.2
136.6		 33 9.5 82 62 M10 × 21 81
106.4		 13 21 8 11.5 8.6 3.3 G-M6
MSA 45A
MSA 45LA		 60 120 137.7
169.5		 37.5 10 100 80 M12 × 25 102.5
134.3		 13 25 10 13.5 10.6 3.3 G-PT1/8
 
Model No. Rail dimension Basic load rating Static moment rating Weight
Width
W1		 Height
H1		 Pitch
P		 E
std.

D × h × d

 Dynamic C
kN		 StaticCo
kN		 Mp
kN-m		 MY
kN-m		 MR
kN-m		 Carriage
kg		 Rail
kg/m
Single* Double* Single* Double*
MSA 15A 15 15 60 20 7.5 × 5.3 × 4.5 11.8 18.9 0.12 0.68 0.12 0.68 0.14 0.18 1.5
MSA 20A
MSA 20LA		 20 18 60 20 9.5 × 8.5 × 6 19.2
23.3		 29.5
39.3		 0.23
0.39		 1.42
2.23		 0.23
0.39		 1.42
2.23		 0.29
0.38		 0.4
0.52		 2.4
MSA 25A
MSA 25LA		 23 22 60 20 11 × 9 × 7 28.1
34.4		 42.4
56.5		 0.39
0.67		 2.20
3.52		 0.39
0.67		 2.20
3.52		 0.48
0.63		 0.62
0.82		 3.4
MSA 30A
MSA 30LA		 28 26 80 20 14 × 12 × 9 39.2
47.9		 57.8
77.0		 0.62
1.07		 3.67
5.81		 0.62
1.07		 3.67
5.81		 0.79
1.05		 1.09
1.43		 4.8
MSA 35A
MSA 35LA		 34 29 80 20 14 × 12 × 9 52.0
63.6		 75.5
100.6		 0.93
1.60		 5.47
8.67		 0.93
1.60		 5.47
8.67		 1.25
1.77		 1.61
2.11		 6.6
MSA 45A
MSA 45LA		 45 38 105 22.5 20 × 17 × 14 83.8
102.4		 117.9
157.3		 1.81
2.13		 10.67
16.95		 1.81
2.13		 10.67
16.95		 2.57
3.43		 2.98
3.9		 11.5