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C 3996 M - Precision cylindrical roller bearing - CARB bearing

Product modelC 3996 M
d480 mm
D650 mm
B128 mm
Limiting speed1000 r/min
Reference speed750 r/min
Inner ring shoulder diameter (d2)≈528mm
Outer ring shoulder/recess diameter (D1)≈604mm
Permissible axial displacement, caged or full-complement, locating ring offset (s1)max.20.4mm
Outer ring r1,2min.5mm
Shaft shoulder diameter (da) min.min.498mm
Shaft shoulder diameter (da) max.max.552mm
Housing shoulder dimension (Da)max.632mm
Housing shoulder - axial space at outer ring largest face/both faces (Ca)min.2mm
Chamfer radius (ra)max.4mm
Fatigue load limit(Pu)425kN
Misalignment factor (k1)0.133
Operating clearance factor (k2)0.095
Bearing weight120kg

Product Details

The C 3996 M is part of the CARB bearing series within our Precision cylindrical roller bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.

Typical applications include: machine tool spindles, rolling mills, gearboxes and industrial pumps. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.

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C 3996 M / CARB bearing / Precision cylindrical roller bearing