SBS 45 SLL Linear Guide Block 45x86x60mm

What are the dimensions 2.1 mm rs (min) of a SBS 45 SLL Linear Guide Block 45x86x60mm? Linear bearing Manufacturing PRECISION BEARING CORP. Service . Get 138.680 kN Oil Your Free, Instant Quote‎！

Model Number:	3mm/3.6mm/5mm
Oil:	138.680 kN
Dynamic (Cr):	4.5 mm
rs (min):	2.1 mm
D:	240 mm
Static (Cor):	8.3 mm
d:	160 mm
with cylindrical bore:	1 100 min-1
Grease:	1400 kN