Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications13 parameters

Core specifications
Parameter	Symbol	Value
Series		C3052
Bore diameter	d	260 mm
Outside diameter	D	400 mm
Width	B	104 mm
Basic dynamic load rating	C	1830 kN
Basic static load rating	C0	2950 kN
Fatigue load limit	Pu	280 kN
Reference speed	nref	830 r/min
Limiting speed	nG	1650 r/min
Mass	≈m	45.5 kg
Cage		M — Solid brass cage, ball guided
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	200 °C

Product characteristics2 parameters

Product characteristics
Parameter	Symbol	Value
Bore type	K	Tapered, taper 1:12
Cage	M	Solid brass cage, ball guided

Main Dimensions & Performance Data9 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	260 mm10.236 in
Outside diameter	D	400 mm15.748 in
Width	B	104 mm4.094 in
Basic dynamic load rating, radial	Cr	1,830,000 N411,420.863 lbf
Basic static load rating, radial	C0r	2,950,000 N663,219.424 lbf
Fatigue load limit, radial	Cur	280,000 N62,949.64 lbf
Reference speed	nϑr	830 1/min
Limiting speed	nG	1,650 1/min
Mass	≈m	45.5 kg100.31 lbs

Mounting dimensions6 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	275 mm10.827 in
Maximum diameter shaft shoulder	da max	326 mm12.835 in
Minimum diameter of housing shoulder	Da min	351 mm13.819 in
Maximum diameter of housing shoulder	Da max	385 mm15.157 in
Maximum fillet radius	ra max	3 mm0.118 in
Minimum depth of free space Ca	Ca	2.1 mm0.083 in

Dimensions4 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension	rmin	4 mm0.157 in
Shoulder diameter of IR	d2	305.8 mm12.039 in
Shoulder diameter outer ring	D1	366.2 mm14.417 in
Axial displacement	S1	19.3 mm0.76 in

Temperature range2 parameters

Temperature range
Parameter	Symbol	Value
Operating temperature min.	Tmin	-30 °C-22 °F
Operating temperature max.	Tmax	200 °C392 °F

Calculation factors2 parameters

Calculation factors
Parameter	Symbol	Value
Operating clearance factor kδ	kδ	0.917
Tilting factor kφ	kφ	12.452

Capabilities & suitability6 parameters

Capabilities & suitability
Parameter	Symbol	Value
Radial load capacity		Yes
Suitable for grease lubrication		Yes
Suitable for oil lubrication		Yes
Unsealed design		Yes
Staticangularerrorandmisalignment		Yes
Dynamicangularerrorandmisalignment		Yes

Manufacturer Identity6 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Toroidal roller bearing C30..-XL-K-M
Short Description		Toroidal roller bearing

Technical Data22 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		260 mm
Outside Diameter (D)		400 mm
Width (B)		104 mm
Basic Dynamic Load Rating, Radial (Cr)		1,830,000 N
Basic Static Load Rating, Radial (C0R)		2,950,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		1,650 1/min
Operating Temperature Max. (Tmax)		200 °C
Reference Speed (Nϑr)		830 1/min
Minimum Diameter Of Housing Shoulder (Da Min)		351 mm
Axial Displacement (S1)		19.3 mm
Minimum Depth Of Free Space Ca (Ca)		2.1 mm
Operating Clearance Factor Kδ (Kδ)		0.917
Shoulder Diameter Of Ir (D2)		305.8 mm
Tilting Factor Kφ (Kφ)		12.452
Fatigue Load Limit, Radial (Cur)		280,000 N
Maximum Diameter Of Shaft Shoulder (Da Max)		326 mm
Minimum Diameter Shaft Shoulder (Da Min)		275 mm
Maximum Diameter Of Housing Shoulder (Da Max)		385 mm
Minimum Chamfer Dimension (Rmin)		4 mm
Maximum Fillet Radius (Ra Max)		3 mm
Shoulder Diameter Outer Ring (D1)		366.2 mm

FAG C3052-XL-K-M-C4