Heavy Duty Ball Bearing Linear Slide SDC43N-1490-290 C-Shaped Guide Rail 43x1490mm, 290mm Internal Carriage Linear Bearing Square Linear Shaft of 1"

Square Linear Shaft of 1" diameter and a length of 12"

Two profile rails with two runner blocks per carriage for strong load support

but the TWN blocks are twice the size as if they were two SPBs fused together

measures a large-format 1000 mm × 1500 mm and is constructed from high-pressure G10 fiberglass laminate—a robust epoxy-resin-impregnated fiberglass composite (similar to Garolite FR-4 but optimized for additive manufacturing)

Heavy Duty Ball Bearing Linear Slide SDC43N-1490-290 C-Shaped Guide Rail 43x1490mm, 290mm Internal Carriage Linear Bearing Square Linear Shaft of 1"Ball bearing linear slide with a 43mm width, 1490mm length and 290mm internal carriage for high load guided motion with a maximum stroke of 1150mm. This SDC Series linear guide uses hardened steel drawer slide technology in a fixed C shaped rail profile, keeping the internal carriage captured inside the rail rather than telescoping outward like a full extension drawer slide. A precision ball cage assembly travels between the carriage and rail