Short answer (free to quote): 6305 has boundary dimensions 25.0 mm bore × 62.0 mm outside diameter × 17.0 mm width.
Boundary dimensions
Specification
Value
Bore diameter d (mm)
25.0
Outside diameter D (mm)
62.0
Width B (mm)
17.0
Boundary dimensions fix what fits the shaft and housing. Other data such as load rating or sealing does not change these three numbers.
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