KOYO NA2020 needle roller bearings

KOYO NA2020 needle roller bearings manufacturer and global supplier of reliable ball and roller … KOYO NA2020 needle roller bearings Industries Products Manufacturing & Engineering and Agricultural Bearings designed to meet the Mounted Bearing Engineering Group unique requirements 3-7/16 in Shaft Size of our targeted industries.

Engineering Group	Mounted Bearing
Shaft Size	3-7/16 in
Shaft Size Type	Imperial
Full Timken Part Number	TAPA20K307SB
Locking Style	Tapered Adapter
Weight	65 lb
Housing Style	Two-Bolt Pillow Block
UPC Code	0883450125673
Dimension A	4.50 in
Dimension B	8.63 in
Dimension C	5.12 in
Dimension D Max	12.88 in
Dimension D Min	10.88 in
Dimension F	14.50 in
Dimension G	3.420 in
Dimension H	1.63 in
Dimension J (Bolt Size)	0.875 in
Dimension L	4.03 in
Dimension M	2.3 in
Dimension S	3.82 in
C0 – Static Load	113000 lb
C – Dynamic Load (Basic)	97700 lb
e – Geometry Factor	0.24
Y1 – Geometry Factor	2.85
Y2 – Geometry Factor	4.24
Oil Lubrication – M/N Seal	1200 rpm
Oil Lubrication – T Seal	2000 rpm
Oil Lubrication – B/C/O Seal	900 rpm
Grease Lubrication – M/N Seal	1200 rpm
Grease Lubrication – T Seal	1600 rpm
Grease Lubrication – B/C/O Seal	900 rpm
Float	0.083 in
Shaft Tolerance	0.0040 in
Pre Install Clearance Min	0.0043 in
Pre Install Clearance Max	0.0055 in
Int Radial Clearance Reduction Min	0.0018 in
Int Radial Clearance Reduction Max	0.0025 in
Adapter Sleeve Axial Movement Min	0.027 in

Detailed Parameters

parameter：

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