QJF1944X1MB NSK Four point contact ball bearings

a - Effective Center Location3	-0.2 in
da - Cone Frontface Backing Diameter	1.2 in
T - Bearing Width to Flange	0.3125 in
B - Cone Width	0.6875 in
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	1880 lbf
Cone Part Number	15578
Bearing Weight	0.8 lb
Aa - Cage-Cone Backface Clearance	0 in
Design Units	Imperial
G2 - Heat Generation Factor (Rib-Roller End)	10.3
db - Cone Backface Backing Diameter	1.28 in
d	1.0000 in
Ab - Cage-Cone Frontface Clearance	0.1 in
D1 - Flange Outer Diameter	2.4022 in
C90 - Dynamic Radial Rating (90 million revolutions)4	3180 lbf
Cage Type	Stamped Steel
Da - Cup Frontface Backing Diameter	2.40 in
K - Factor7	1.69
r - Cup Backface To Clear Radius2	0.06 in
Y - ISO Factor9	1.73

QJF1944X1MB NSK Four point contact ball bearings Cross Reference
No.	Brand	s	E	B	C	b	m	d	a
319440DA-2LS	SKF	-	-	80 mm	561 kN	5,2 mm	-	200 mm	-
NUP1944	Loyal	-	-	38 mm	336 kN	-	-	220 mm	-
HCB71944-C-T-P4S	FAG	-	-	38 mm	-	-	5,49 kg / Weight	220 mm	54 mm
HCB71944-E-T-P4S	FAG	-	-	38 mm	-	-	5,47 kg / Weight	220 mm	80 mm
H71944AC	AST	-	-	-	-	-	-	220	-
H71944AC/HQ1	AST	-	-	-	-	-	-	220	-
H71944C	AST	-	-	-	-	-	-	220	-
H71944C/HQ1	AST	-	-	-	-	-	-	220	-
N1944-K-M1-SP	FAG	3,5 mm / Axial displacement facility from central position	279 mm	38 mm	-	-	7,64 kg / Weight	220 mm	-
B71944-E-T-P4S	FAG	-	-	38 mm	-	-	6,58 kg / Weight	220 mm	80 mm
B71944-C-T-P4S	FAG	-	-	38 mm	-	-	6,6 kg / Weight	220 mm	54 mm

Product Features