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		QJ1952
Bore diameter	d	260 mm
Outside diameter	D	360 mm
Width	B	46 mm
Basic dynamic load rating	C	370 kN
Basic static load rating	C0	640 kN
Fatigue load limit	Pu	19.9 kN
Reference speed	nref	1460 r/min
Limiting speed	nG	3050 r/min
Mass	≈m	15.394 kg
Precision class		PN — Normal (ISO 492:2023)
Cage		MPA — Solid brass cage, outer ring guided
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	200 °C

Product characteristics5 parameters

Product characteristics
Parameter	Symbol	Value
Design, bearing outer ring	N2	Two retaining grooves in the outer ring on one side
Tolerance class	PN	Normal (ISO 492:2023)
Cage	MPA	Solid brass cage, outer ring guided
Dimensional / heat stabilization	S1	Rings dimensional stabilized up to 200°
Axial internal clearance	CN	Group N (CN)

Main Dimensions & Performance Data9 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	260 mm10.236 in
Outside diameter	D	360 mm14.173 in
Width	B	46 mm1.811 in
Basic dynamic load rating, radial	Cr	370,000 N83,183.453 lbf
Basic static load rating, radial	C0r	640,000 N143,884.892 lbf
Fatigue load limit, radial	Cur	19,900 N4,473.921 lbf
Limiting speed	nG	3,050 1/min
Reference speed	nϑr	1,460 1/min
Mass	≈m	15.394 kg33.938 lbs

Mounting dimensions3 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	270 mm10.63 in
Maximum diameter of housing shoulder	Da max	350 mm13.78 in
Maximum fillet radius	ra max	2.1 mm0.083 in

Dimensions9 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension	rmin	2.1 mm0.083 in
Shoulder diameter outer ring	D1	325.8 mm12.827 in
Shoulder diameter inner ring	d1	296.05 mm11.656 in
Distance between the apexes of the pressure cones	a	217.1 mm8.547 in
Hight retaining slot	an	11.7 mm0.461 in
Width retaining slot	bn	10.5 mm0.413 in
Radius retaining slot	rn	2 mm0.079 in
Angle retaining slot		45 °
Contact angle	α	35 °

Temperature range2 parameters

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

Capabilities & suitability7 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
Largebearing		Yes

Manufacturer Identity9 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Four point contact bearing QJ19..-N2-MPA, holding grooves, solid brass cage
Short Description		Four-point contact bearing

Technical Data22 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		260 mm
Outside Diameter (D)		360 mm
Width (B)		46 mm
Basic Dynamic Load Rating, Radial (Cr)		370,000 N
Basic Static Load Rating, Radial (C0R)		640,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		3,050 1/min
Operating Temperature Max. (Tmax)		200 °C
Reference Speed (Nϑr)		1,460 1/min
Angle Retaining Slot (Angle Retain)		45 °
Hight Retaining Slot (An)		11.7 mm
Radius Retaining Slot (Rn)		2 mm
Fatigue Load Limit, Radial (Cur)		19,900 N
Minimum Diameter Shaft Shoulder (Da Min)		270 mm
Shoulder Diameter Inner Ring (D1)		296.05 mm
Maximum Diameter Of Housing Shoulder (Da Max)		350 mm
Minimum Chamfer Dimension (Rmin)		2.1 mm
Maximum Fillet Radius (Ra Max)		2.1 mm
Shoulder Diameter Outer Ring (D1)		325.8 mm
Contact Angle (Α)		35 °
Distance Between The Apexes Of The Pressure Cones (A)		217.1 mm
Width Retaining Slot (Bn)		10.5 mm

FAG QJ1952-N2-MPA