Bearings, units and housings -- Super-precision bearings -- Double direction angular contact thrust ball bearings -- Angular contact thrust ball bearings, double direction, super-precision -- SKF BTM 120 BTN9/P4CDB

BTM 120 BTN9/P4CDB

Dimensions

d		120	mm
D		180	mm
H		54	mm
d₁		147.7	mm
D₁		165	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm

Abutment dimensions

d_a	min.	129	mm
D_a	max.	175	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		144.1	mm

Calculation data

Basic dynamic load rating	C	69.5	kN
Basic static load rating	C₀	166	kN
Fatigue load limit	P_u	5.7	kN
Attainable speed for grease lubrication		4600	r/min
Attainable speed for oil-air lubrication		5900	r/min
Preload class A		850	N
Preload class B		2550	N
Static axial stiffnes for preload A		649	N/µm
Static axial stiffnes for preload B		985	N/µm
Reference grease quantity	G_ref	40	cm³

Notes

Speed values are applicable to bearings with light preload (suffix DBA). For bearings with a heavy preload (suffix DBB), attainable speeds are about 75% of the quoted values.

Mass

Mass bearing

4.55

Model Number: BTM 120 BTN9/P4CDB
Inner Diameter：120mm Outer Diameter：180mm Width：54mm
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：2021-06-07
Application:motor,Switch,ultra-quiet generators,Body shaping,Vertical pull,Chromatography Products,equipment and,rehabilitation training equipment,animal,bag machine,plastic molding
Similar models:PWM 160180120 51201 V/HR11T1 718/1120 AMB PBM 120140140 M1G1 891/1120 M PCM 120125120 E 1201 ETN9 51200 V/HR11Q1 GS 81206 24120-2RS5/VT143
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Model No.	Inner Diameter	Outer Diameter	Width	Type
30x62x7 HMS5 V	30	62	7	Seals
319155	460	650	-	Bearings, units and housings
550259	40.005	56.007	7.0104	Seals
7024 CD/P4A	120	180	28	Bearings, units and housings
89312 TN	60	110	30	Bearings, units and housings
BD-C 3184 KM-OH 3184 H	400	700	224	Bearings, units and housings
K 81122 TN	110	145		Bearings, units and housings
N 224 ECP	120	215	40	Bearings, units and housings
S71919 ACE/P4A	95	130	18	Bearings, units and housings
SAF 22632 x 5.1/2 T	139.7	-	-	Bearings, units and housings
SD 20x28x4	20	28	4	Seals
W 624 R	4	13	5	Bearings, units and housings

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