Description​



Model No. External dimension, mm Carriage dimension Rail dimension, mm Basic load rating Static moment rating, kN·m Weight
Height
H
Width
W
Length
L
W2 H2 B C S×ℓ L1 T N G K d1 Grease
Nipple
Width
W1
Height
H1
Pitch
P
E
std.
D × h × d Dynamic
C
kN
Static
C₀
kN
Mp
Single
Mp
Double
My
Single
My
Double
Mr Carriage
kg
Rail
kg/m
SMB 15 S 24 34 57.6 9.5 4.5 26 26 M4×6 40.5 6 6 5.5 3.4 3.3 G-M4 15 12.5 60 20 6×4.5×3.5
(7.5×5.3×4.5)
9.9 15.6 0.08 0.6 0.08 0.6 0.12 0.12 1.2
SMB 20 S 28 42 69 11 6 32 32 M5×7 48 6 5.5 12 3.6 3.3 G-M6 20 15 60 20 9.5×8.5×6 13.8 22 0.15 0.96 0.15 0.96 0.22 0.19 2
SMB 25 S 33 48 83.6 12.5 7 35 35 M6×9 60.5 8 6 12 5 5.3 G-M6 23 18 60 20 11×9×7 22.2 34.4 0.3 1.82 0.3 1.82 0.4 0.32 3
SMB 30 S 42 60 96 16 9.5 40 40 M8×12 70 8 8 12 6 5.3 G-M6 28 23 80 20 11×9×7 32.5 49.5 0.52 3.05 0.52 3.05 0.69 0.61 4.4

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. 
Single: Single carriage/ Double: Double carriages closely contacting with each other.


 CAD models​