Bearings, units and housings -- Super-precision bearings -- Double direction angular contact thrust ball bearings -- Angular contact thrust ball bearings, double direction, super-precision -- SKF BTW 90 CTN9/SP

BTW 90 CTN9/SP

Dimensions

d		90	mm
D		140	mm
H		60	mm
d₁		118.9	mm
2C		30	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm

Abutment dimensions

d_a	min.	109	mm
D_a	min.	130.9	mm
D_a	max.	132	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	55.9	kN
Basic static load rating	C₀	173	kN
Fatigue load limit	P_u	7.65	kN
Attainable speed for grease lubrication		5000	r/min
Attainable speed for oil-air lubrication		6000	r/min
Preload		625	N
Static axial stiffness		792	N/µm
Reference grease quantity	G_ref	14.4	cm³

Mass

Mass bearing

2.7

Model Number: BTW 90 CTN9/SP
Inner Diameter：90mm Outer Diameter：140mm Width：60mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Double direction angular contact thrust ball bearings Angular contact thrust ball bearings, double direction, super-precision
Details： Angular contact thrust ball bearings, double direction, super-precision
Update date：2025-12-09
Application:position switch,fabric products,machine lathe,knitted fabrics,axle lathe,bathroom facilities,packaging materials,test equipment,Broadcasting System,Reflective Materials Industrial fabrics,ventilation heating equipment
Similar models:GE 90 TXG3A-2LS BT4B 334051 G/HA1VA901 W 61908 R RNA 6904 W 61900 R-2RS1 BTW 190 CM/SP 71907 ACB/P4A W 61902 R-2Z 71902 ACE/HCP4AH BT4B 334014 G/HA1VA901
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Model No.	Inner Diameter	Outer Diameter	Width	Type
331081 A	501.65	711.2	-	Bearings, units and housings
49928	127	152.43	12.7	Seals
52206	25	52	29	Bearings, units and housings
7016 ACD/P4AL	80	125	22	Bearings, units and housings
99365	93.6752	102.235	23.8252	Seals
FY 65 TF	65	-	-	Bearings, units and housings
SAF 1520 TLC	87.3125	-	-	Bearings, units and housings
SY 1.11/16 TF	42.862	-	-	Bearings, units and housings
SYFJ 25 TF	25	-	-	Bearings, units and housings
W 6001-2RZ	12	28	8	Bearings, units and housings
W 61807 R	35	47	7	Bearings, units and housings
ZW 68x75	68	75	2	Seals

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Hot number： 100x150x12 HMS5 RG 1160 VRME R 36x50x7 CRW1 R 407003 40x55x8 HMS5 V 71926 CD/HCP4AL 7216 CD/P4A 85x130x12 HMSA10 V 812/530 M 812/750 M 85085 BT2B 328283/HA1 FY 1.7/16 TF/VA201 SY 15/16 FM W 624