

SKF metric pillow block ball bearing units for a 25 mm shaft diameter offer compact construction, excellent self-alignment, and smooth rotational performance under light to medium radial loads. Common ISO and JIS metric designations for this size include the SKF Y-Bearing Plummer Block Unit (SY 25 TF / SYJ 25 TF) and UCP 205. Key Technical Specifications for 25 mm Metric Units Specification Parameter Technical Value / Detail Bore / Shaft Diameter (d) 25 mm Centre Height (H) 36.5 mm Total Height (H_2) 70 mm Overall Length (L) 130 mm Mounting Hole Spacing (J) 102 mm Housing Foot Width (A) 36 mm Housing Material Grey Cast Iron (e.g., SYJ 505 / P205 housing series) Shaft Locking Method Set screws (grub screws) on extended inner ring Insert Bearing Ref. YAR 205-2F (or equivalent 205 insert) Basic Dynamic Load Rating (C) 14 kN Basic Static Load Rating (C_0) 7.8 kN Limiting Speed ~7,000 r/min Sealing & Lubrication Contact seals with metallic flingers & pre-greased with re-lubrication nipple













