50TAC20F Series

Angular Contact Thrust Ball Bearings (NSKTAC F Series)

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Axial Internal Clearance

Accuracy

Lubrication Holes

Grouped product items
Parts Number
50TAC20FMDBELP4A Angular Contact Thrust Ball Bearings (NSKTAC F Series)			Add to Compare You can use this service by registering as a member.
50TAC20FMDBELP5A Angular Contact Thrust Ball Bearings (NSKTAC F Series)			Add to Compare You can use this service by registering as a member.
50TAC20FMDBLP4A Angular Contact Thrust Ball Bearings (NSKTAC F Series)			Add to Compare You can use this service by registering as a member.
50TAC20FMDBLP5A Angular Contact Thrust Ball Bearings (NSKTAC F Series)			Add to Compare You can use this service by registering as a member.
50TAC20FME44DBELP4A Angular Contact Thrust Ball Bearings (NSKTAC F Series)			Add to Compare You can use this service by registering as a member.
50TAC20FME44DBELP5A Angular Contact Thrust Ball Bearings (NSKTAC F Series)			Add to Compare You can use this service by registering as a member.
50TAC20FME44DBLP4A Angular Contact Thrust Ball Bearings (NSKTAC F Series)			Add to Compare You can use this service by registering as a member.
50TAC20FME44DBLP5A Angular Contact Thrust Ball Bearings (NSKTAC F Series)			Add to Compare You can use this service by registering as a member.

Product Information

Designations

50TAC20F

Boundary Dimensions

d	50	mm	Bore diameter
D	80	mm	Outside diameter
T	38	mm	Inner Ring Width
C	19	mm	Outer Ring Width
r(min.)	1	mm	Chamfer Dimension
r1(min.)	0.6	mm	Chamfer Dimension

Basic Load Ratings

C_a	25.3	kN	Basic Dynamic Load Rating
C_0a	64.0	kN	Basic Static Load Rating

Speeds

Grease	6900	min^-1	Limiting Speed (EL-Preload)
Oil (Oil-air)	7700	min^-1	Limiting Speed (EL-Preload)
Grease	5900	min^-1	Limiting Speed (L-Preload)
Oil (Oil-air)	6600	min^-1	Limiting Speed (L-Preload)

Dimensions

50°

Contact Angle

Abutment and Fillet Dimensions

ra(max.)	1	mm	Radius of Shaft or Housing Fillet
rb(max.)	0.6	mm	Radius of Shaft or Housing Fillet
da	62	mm	Diameter of Shaft Abutment
Da	75	mm	Diameter of Housing Abutment

Performance

10.5

Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	549N	530N/μm	-5μm
L	2335N	876N/μm	-15μm

Additional information

1.6

g/brg

Recommended Grease Quantities

Holes Dimensions

W	8	mm	Oil Groove Width
m	4		Number of Holes
L	3	mm	Notch Width

Mass

0.285

Mass(approx.)

CAD

FAQs

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACTBB_TAC_F
NSK Product Type	Super Precision Bearing
Designations	50TAC20F