75TAC20F Series

Angular Contact Thrust Ball Bearings (NSKTAC F Series)

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Axial Internal Clearance

Accuracy

Lubrication Holes

Grouped product items
Parts Number
75TAC20FMDBELP4A			Add to Compare You can use this service by registering as a member.
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75TAC20FMDBLP4A			Add to Compare You can use this service by registering as a member.
75TAC20FMDBLP5A			Add to Compare You can use this service by registering as a member.
75TAC20FME44DBELP4A			Add to Compare You can use this service by registering as a member.
75TAC20FME44DBELP5A			Add to Compare You can use this service by registering as a member.
75TAC20FME44DBLP4A			Add to Compare You can use this service by registering as a member.
75TAC20FME44DBLP5A			Add to Compare You can use this service by registering as a member.

Product Information

Designations

75TAC20F

Boundary Dimensions

d	75	mm	Bore diameter
D	115	mm	Outside diameter
T	48	mm	Inner Ring Width
C	24	mm	Outer Ring Width
r(min.)	1.1	mm	Chamfer Dimension
r1(min.)	0.6	mm	Chamfer Dimension

Basic Load Ratings

C_a	46.5	kN	Basic Dynamic Load Rating
C_0a	132	kN	Basic Static Load Rating

Speeds

Grease	4700	min^-1	Limiting Speed (EL-Preload)
Oil (Oil-air)	5300	min^-1	Limiting Speed (EL-Preload)
Grease	4000	min^-1	Limiting Speed (L-Preload)
Oil (Oil-air)	4600	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	92	mm	Diameter of Shaft Abutment
Da	109	mm	Diameter of Housing Abutment

Performance

21.0

Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	670N	665N/μm	-5μm
L	2920N	1104N/μm	-15μm

Additional information

3.9

g/brg

Recommended Grease Quantities

Holes Dimensions

W	10	mm	Oil Groove Width
m	4		Number of Holes
L	4	mm	Notch Width

Mass

0.717

Mass(approx.)

CAD

FAQs

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACTBB_TAC_F
NSK Product Type	Super Precision Bearing
Designations	75TAC20F