Product specifications

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

Core specifications14 parameters

Core specifications
Parameter	Symbol	Value
Series		T4CB140
Bore diameter	d	140 mm
Outside diameter	D	195 mm
Width	B	58 mm
Basic dynamic load rating	C	325 kN
Basic static load rating	C0	610 kN
Fatigue load limit	Pu	66 kN
Reference speed	nref	2000 r/min
Limiting speed	nG	3450 r/min
Mass	≈m	5.06 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	120 °C

Product characteristics7 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
Axial internal clearance	A0-50	Axial internal clearance between 0 and 50 µm
Quality level		Standard
Matched arrangement	F	X arrangement
Number of rows	2	Double-row design

Main Dimensions & Performance Data10 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	140 mm5.512 in
Outside diameter	D	195 mm7.677 in
Inner ring total width	2B	54 mm2.126 in
Outer ring total width	2T	58 mm2.283 in
Basic dynamic load rating, radial	Cr	325,000 N73,066.547 lbf
Basic static load rating, radial	C0r	610,000 N137,140.288 lbf
Fatigue load limit, radial	Cur	66,000 N14,838.129 lbf
Limiting speed	nG	3,450 1/min
Thermal speed rating	nϑr	2,000 1/min
Mass	≈m	5.06 kg11.155 lbs

Mounting dimensions5 parameters

Mounting dimensions
Parameter	Symbol	Value
Maximum diameter of shaft shoulder	da max	150 mm5.906 in
Minimum diameter of housing shoulder	Da min	180 mm7.087 in
Maximum diameter of housing shoulder	Da max	183 mm7.205 in
Minimum axial space	Ca min	6 mm0.236 in
Maximum fillet radius of housing	rb max	3 mm0.118 in

Dimensions2 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension of outer ring back face	r3, 4 min	3 mm0.118 in
Width of spacer	A	16 mm0.63 in

Temperature range2 parameters

Temperature range
Parameter	Symbol	Value
Operating temperature min.	Tmin	-30 °C-22 °F
Operating temperature max.	Tmax	120 °C248 °F

Calculation factors4 parameters

Calculation factors
Parameter	Symbol	Value
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y	e	0.5
Dynamic axial load factor	Y1	1.34
Dynamic axial load factor	Y2	2
Static axial load factor	Y0	1.31

Capabilities & suitability6 parameters

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

Manufacturer Identity4 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Tapered roller bearing set T..-DF, X-arrangement
Short Description		Tapered roller bearing set

Technical Data22 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		140 mm
Outside Diameter (D)		195 mm
Width Of Bearing Outside (2T)		58 mm
Basic Dynamic Load Rating, Radial (Cr)		325,000 N
Basic Static Load Rating, Radial (C0R)		610,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		3,450 1/min
Operating Temperature Max. (Tmax)		120 °C
Reference Speed (Nϑr)		2,000 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)		180 mm
Fatigue Load Limit, Radial (Cur)		66,000 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)		0.5
Maximum Diameter Of Shaft Shoulder (Da Max)		150 mm
Dynamic Axial Load Factor (Y1)		1.34
Maximum Diameter Of Housing Shoulder (Da Max)		183 mm
Width Of Spacer (A)		16 mm
Dynamic Axial Load Factor (Y2)		2
Width Of Bearing Inside (B4)		54 mm
Minimum Axial Space (Ca Min)		6 mm
Static Axial Load Factor (Y0)		1.31

FAG T4CB140-DF-A0-50