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
Bore diameter	d	240 mm
Outside diameter	D	305 mm
Width	B	41 mm
Basic dynamic load rating	C	400 kN
Basic static load rating	C0	850 kN
Fatigue load limit	Pu	82 kN
Reference speed	nref	1170 r/min
Limiting speed	nG	2150 r/min
Mass	≈m	6.947 kg
Precision class		PN — Normal (ISO 492:2023)
Cage		Standard — Sheet steel cage, window cage, roller-guided
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	200 °C

Product characteristics5 parameters

Product characteristics
Parameter	Symbol	Value
Tolerance class	PN	Normal (ISO 492:2023)
Heat treatment		Standard
Cage	Standard	Sheet steel cage, window cage, roller-guided
Quality level		Standard
Number of rows	1	Single-row design

Main Dimensions & Performance Data11 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	240 mm9.449 in
Outside diameter	D	305 mm12.008 in
Width, inner ring	B	40 mm1.575 in
Width, outer ring	C	33 mm1.299 in
Width, total	T	41 mm1.614 in
Basic dynamic load rating, radial	Cr	400,000 N89,928.058 lbf
Basic static load rating, radial	C0r	850,000 N191,097.122 lbf
Fatigue load limit, radial	Cur	82,000 N18,435.252 lbf
Limiting speed	nG	2,150 1/min
Thermal speed rating	nϑr	1,170 1/min
Mass	≈m	6.947 kg15.315 lbs

Mounting dimensions9 parameters

Mounting dimensions
Parameter	Symbol	Value
Maximum diameter of shaft shoulder	da max	252 mm9.921 in
Minimum diameter of shaft shoulder	db min	256 mm10.079 in
Minimum diameter of housing shoulder	Da min	289 mm11.378 in
Maximum diameter of housing shoulder	Da max	292 mm11.496 in
Minimum diameter of housing shoulder	Db min	297 mm11.693 in
Minimum axial space	Ca min	8 mm0.315 in
Minimum axial space	Cb min	8 mm0.315 in
Maximum fillet radius of shaft	ra max	4 mm0.157 in
Maximum fillet radius of housing	rb max	3 mm0.118 in

Dimensions4 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension of inner ring back face	r1, 2 min	4 mm0.157 in
Minimum chamfer dimension of outer ring back face	r3, 4 min	3 mm0.118 in
Distance between the apexes of the pressure cones	a	49 mm1.929 in
Guidance rib diameter of inner ring	d1	271.5 mm10.689 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 factors3 parameters

Calculation factors
Parameter	Symbol	Value
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y	e	0.34
Dynamic axial load factor	Y	1.75
Static axial load factor	Y0	0.96

Capabilities & suitability5 parameters

Capabilities & suitability
Parameter	Symbol	Value
Radial load capacity		Yes
Axial load capacity in one direction		Yes
Suitable for grease lubrication		Yes
Suitable for oil lubrication		Yes
Unsealed design		Yes

Manufacturer Identity6 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Tapered roller bearings T, main dimensions acc. to ISO 355, separable
Short Description		Tapered roller bearing

Additional information1 parameter

Additional information
Parameter	Symbol	Value
Comparative designation to ISO 10317 and ISO 355		T2DC240

Technical Data28 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		240 mm
Outside Diameter (D)		305 mm
Width (B)		41 mm
Basic Dynamic Load Rating, Radial (Cr)		400,000 N
Basic Static Load Rating, Radial (C0R)		850,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		2,150 1/min
Operating Temperature Max. (Tmax)		200 °C
Reference Speed (Nϑr)		1,170 1/min
Maximum Fillet Radius Of Housing (Rb Max)		3 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)		3 mm
Minimum Diameter Of Housing Shoulder (Da Min)		289 mm
Minimum Diameter Of Housing Shoulder (Db Min)		297 mm
Width, Outer Ring (C)		33 mm
Fatigue Load Limit, Radial (Cur)		82,000 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)		0.34
Maximum Diameter Of Shaft Shoulder (Da Max)		252 mm
Minimum Diameter Of Shaft Shoulder (Db Min)		256 mm
Maximum Diameter Of Housing Shoulder (Da Max)		292 mm
Dynamic Axial Load Factor (Y)		1.75
Maximum Fillet Radius (Ra Max)		4 mm
Minimum Axial Space (Cb Min)		8 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)		4 mm
Guidance Rib Diameter Of Inner Ring (D1)		271.5 mm
Minimum Axial Space (Ca Min)		8 mm
Width, Inner Ring (B)		40 mm
Static Axial Load Factor (Y0)		0.96
Distance Between The Apexes Of The Pressure Cones (A)		49 mm

FAG T2DC240