Manufactured by CHG Bearing, the 68FC48350 is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 340 mm bore diameter, a 480 mm outer diameter, and a 350 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
68FC48350 - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 68FC48350 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 340 mm |
| Width (B) | 350 mm |
| Outer Diameter (D) | 480 mm |
| Bore Diameter Tolerance | -0.040 – 0 mm |
| Outside Diameter Tolerance | -0.045 – 0 mm |
| Width Tolerance | -0.45 – 0 mm |
| Enveloping Circle Diameter Fw | 376 mm |
| Inner Ring Chamfer | 3 min mm |
| Outer Ring Chamfer | 3 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 4190 kN |
| Basic Static Load Rating C0 (kN) | 9630 kN |
| Material | |
| Mass (kg) | 200 kg |
| Ring Material | Bearing Steel / Case-Hardened Steel |
| Rolling Element Material | Bearing Steel / Case-Hardened Steel |
| Cage Material | Brass |
| Lubrication Groove Width | 12 mm |
| Lubrication Holes (qty × Ø mm) | 6 × Ø6 |
68FC48350 480 mm 340 mm 376 mm 350 mm Frequently Asked Questions about 68FC48350 Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 68FC48350 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (340 mm x 480 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Model 68FC48350 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 340 mm) and steep thermal gradients between inner and outer rings.
Standard batches of CHG Bearing 68FC48350 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
Absolutely. The CHG Bearing 68FC48350 Four-Row Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 68FC48350, FAG 68FC48350, NSK 68FC48350. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
