SR20SB[1,2,3,4,5,6,7,8,9][DD,KK,LL,RR,SS,UU,ZZ]+[61-3000/1]L[H,P,SP,UP] THK Radial Load Linear Guide Accuracy and Preload Selectable SR Series

Brand Name:	THK
Model Number:	SR20SB[1,2,3,4,5,6,7,8,9][DD,KK,LL,RR,SS,UU,ZZ]+[61-3000/1]L[H,P,SP,UP]
Series:	74000
Cone Part Number:	74500
Design Units:	Imperial
Cage Type:	Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:	150000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:	38800 lbf
d:	5 in
B - Cone Width:	1.875 in
PDF	SR20SB[1,2,3,4,5,6,7,8,9][DD,KK,LL,RR,SS,UU,ZZ]+[61-3000/1]L[H,P,SP,UP]

Product Details

Series	74000
Cone Part Number	74500
Design Units	Imperial
Cage Type	Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1	150000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2	38800 lbf
d	5 in
B - Cone Width	1.875 in
R - Cone Backface To Clear Radius3	0.14 in
da - Cone Frontface Backing Diameter	5.55 in
db - Cone Backface Backing Diameter	5.83 in
Ab - Cage-Cone Frontface Clearance	0.11 in
Aa - Cage-Cone Backface Clearance	0.17 in
a - Effective Center Location4	0.09 in
C90 - Dynamic Radial Rating (90 million revolutions)5	22300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)6	85900 lbf
C0 - Static Radial Rating	138000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)7	18600 lbf
K - Factor8	1.2
G1 - Heat Generation Factor (Roller-Raceway)	362.9
G2 - Heat Generation Factor (Rib-Roller End)	68.5
Cg - Geometry Factor	0.134

Company Profile

TIMKEN BEARING MFG.CORP

Phone

409-782-6227

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