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		C3144
Bore diameter	d	220 mm
Outside diameter	D	370 mm
Width	B	120 mm
Basic dynamic load rating	C	1930 kN
Basic static load rating	C0	2900 kN
Fatigue load limit	Pu	280 kN
Reference speed	nref	960 r/min
Limiting speed	nG	1850 r/min
Mass	≈m	52.5 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	Z	Cylindrical
Cage	M	Solid brass cage, ball guided

Main Dimensions & Performance Data9 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	220 mm8.661 in
Outside diameter	D	370 mm14.567 in
Width	B	120 mm4.724 in
Basic dynamic load rating, radial	Cr	1,930,000 N433,902.878 lbf
Basic static load rating, radial	C0r	2,900,000 N651,978.417 lbf
Fatigue load limit, radial	Cur	280,000 N62,949.64 lbf
Reference speed	nϑr	960 1/min
Limiting speed	nG	1,850 1/min
Mass	≈m	52.5 kg115.743 lbs

Mounting dimensions6 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	237 mm9.331 in
Maximum diameter shaft shoulder	da max	291 mm11.457 in
Minimum diameter of housing shoulder	Da min	316 mm12.441 in
Maximum diameter of housing shoulder	Da max	353 mm13.898 in
Maximum fillet radius	ra max	3 mm0.118 in
Minimum depth of free space Ca	Ca	0.86 mm0.034 in

Dimensions4 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension	rmin	4 mm0.157 in
Shoulder diameter of IR	d2	269.2 mm10.598 in
Shoulder diameter outer ring	D1	333.1 mm13.114 in
Axial displacement	S1	22.3 mm0.878 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	0.791
Tilting factor kφ	kφ	13.663

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 Identity9 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		토로이달 롤러 베어링 C31..-XL-M
Short Description		Toroidal roller bearing

Technical Data22 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		220 mm
Outside Diameter (D)		370 mm
Width (B)		120 mm
Basic Dynamic Load Rating, Radial (Cr)		1,930,000 N
Basic Static Load Rating, Radial (C0R)		2,900,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		1,850 1/min
Operating Temperature Max. (Tmax)		200 °C
Reference Speed (Nϑr)		960 1/min
Minimum Diameter Of Housing Shoulder (Da Min)		316 mm
Axial Displacement (S1)		22.3 mm
Minimum Depth Of Free Space Ca (Ca)		0.86 mm
Operating Clearance Factor Kδ (Kδ)		0.791
Shoulder Diameter Of Ir (D2)		269.2 mm
Tilting Factor Kφ (Kφ)		13.663
Fatigue Load Limit, Radial (Cur)		280,000 N
Maximum Diameter Of Shaft Shoulder (Da Max)		291 mm
Minimum Diameter Shaft Shoulder (Da Min)		237 mm
Maximum Diameter Of Housing Shoulder (Da Max)		353 mm
Minimum Chamfer Dimension (Rmin)		4 mm
Maximum Fillet Radius (Ra Max)		3 mm
Shoulder Diameter Outer Ring (D1)		333.1 mm

FAG C3144-XL-M