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		23128
Bore diameter	d	140 mm
Outside diameter	D	225 mm
Width	B	68 mm
Basic dynamic load rating	C	760 kN
Basic static load rating	C0	1010 kN
Fatigue load limit	Pu	90 kN
Reference speed	nref	1930 r/min
Limiting speed	nG	3000 r/min
Mass	≈m	9.695 kg
Internal clearance		C3 (Group 3) — Internal clearance larger than CN
Cage		TVPB — Plastic cage
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	120 °C

Product characteristics5 parameters

Product characteristics
Parameter	Symbol	Value
Design	E1	Without central rip
Bore type	Z	Cylindrical
Cage	TVPB	Plastic cage
Radial internal clearance	C3 (Group 3)	Internal clearance larger than CN
Relubrication feature		Standard

Main Dimensions & Performance Data9 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	140 mm5.512 in
Outside diameter	D	225 mm8.858 in
Width	B	68 mm2.677 in
Basic dynamic load rating, radial	Cr	760,000 N170,863.309 lbf
Basic static load rating, radial	C0r	1,010,000 N227,068.345 lbf
Fatigue load limit, radial	Cur	90,000 N20,233.813 lbf
Limiting speed	nG	3,000 1/min
Reference speed	nϑr	1,930 1/min
Mass	≈m	9.695 kg21.374 lbs

Mounting dimensions3 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	152 mm5.984 in
Maximum diameter of housing shoulder	Da max	213 mm8.386 in
Maximum recess radius	ra max	2.1 mm0.083 in

Dimensions5 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension	rmin	2.1 mm0.083 in
Bore diameter outer ring	D1	201 mm7.913 in
Raceway diameter of the inner ring	d2	157.1 mm6.185 in
Diameter lubrication hole	ds	4.8 mm0.189 in
Width of lubricating groove	ns	9.5 mm0.374 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	0.27
Dynamic axial load factor	Y1	2.49
Dynamic axial load factor	Y2	3.71
Static axial load factor	Y0	2.43

Capabilities & suitability8 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
Staticangularerrorandmisalignment		Yes
Dynamicangularerrorandmisalignment		Yes

Manufacturer Identity7 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Spherical roller bearings 231..-E1, main dimensions to DIN 635-2
Short Description		Spherical Roller Bearing

Technical Data22 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		140 mm
Outside Diamater (D)		225 mm
Total Width (B)		68 mm
Basic Dynamic Load Rating, Radial (Cr)		760,000 N
Basic Static Load Rating, Radial (C0R)		1,010,000 N
Diameter Lubrication Hole (Ds)		4.8 mm
Operating Temperature Min. (Tmin)		-30 °C
Minimum Diameter Shaft Shoulder (Da)		152 mm
Operating Temperature Max. (Tmax)		120 °C
Limiting Speed (Limiting Spe)		3,000 1/min
Reference Speed (Nϑr)		1,930 1/min
Maximum Recess Radius (Ra Max)		2.1 mm
Maximum Diameter Of Housing Shoulder (Da)		213 mm
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)		0.27
Width Of Lubricating Groove (Ns)		9.5 mm
Dynamic Axial Load Factor (Y1)		2.49
Bore Diameter Outer Ring (D1)		201 mm
Raceway Diameter Of The Inner Ring (D2)		157.1 mm
Minimum Chamfer Dimension (Rmin)		2.1 mm
Static Axial Load Factor (Y0)		2.43
Dynamic Axial Load Factor (Y2)		3.71
Fatigue Load Limit, Radial (Cur)		90,000 N

FAG 23128-E1-XL-TVPB-C3