4SRS25M[SS,SSHH,UU]+[78-900/1]LM THK Miniature Linear Guide Caged Ball SRS Series

Brand Name:	THK
Model Number:	4SRS25M[SS,SSHH,UU]+[78-900/1]LM
Series:	HM252300
Cone Part Number:	HM252349
Cup Part Number:	HM252315
Design Units:	Imperial
Bearing Weight:	44.400 Kg
Cage Type:	Pin-Type
d:	260.350 mm
D:	431.724 mm
PDF	4SRS25M[SS,SSHH,UU]+[78-900/1]LM

Product Details

Series	HM252300
Cone Part Number	HM252349
Cup Part Number	HM252315
Design Units	Imperial
Bearing Weight	44.400 Kg
Cage Type	Pin-Type
d	260.350 mm
D	431.724 mm
B - Cone Width	79.771 mm
C - Cup Width	60.325 mm
B	82.550 mm
R - Cone Backface To Clear Radius1	6.860 mm
r - Cup Backface To Clear Radius2	3.56 mm
da - Cone Frontface Backing Diameter	284.99 mm
db - Cone Backface Backing Diameter	292.10 mm
Da - Cup Frontface Backing Diameter	398.30 mm
Db - Cup Backface Backing Diameter	397.00 mm
Ab - Cage-Cone Frontface Clearance	7.4 mm
Aa - Cage-Cone Backface Clearance	8.9 mm
a - Effective Center Location3	-9.4 mm
C90 - Dynamic Radial Rating (90 million revolutions)4	90100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5	348000 lbf
C0 - Static Radial Rating	475000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	51300 lbf
K - Factor7	1.76
e - ISO Factor8	0.33
Y - ISO Factor9	1.8
G1 - Heat Generation Factor (Roller-Raceway)	1551.8
G2 - Heat Generation Factor (Rib-Roller End)	152.3
Cg - Geometry Factor	0.15

Company Profile

Machinery Parts Co., Ltd.

Phone

722-298-7405

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