Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 CB/HCP4AL

71920 CB/HCP4AL

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		114.92	mm
d₂		113.16	mm
D₂		128.7	mm
b		2.2	mm
C₁		10.9	mm
C₂		4.5	mm
C₃		2.9	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		28.9	mm

Abutment dimensions

d_a	min.	106	mm
d_b	min.	106	mm
D_a	max.	134	mm
D_b	max.	136.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		116.1	mm

Calculation data

Basic dynamic load rating	C	29.1	kN
Basic static load rating	C₀	36	kN
Fatigue load limit	P_u	0.865	kN
Attainable speed for grease lubrication		15000	r/min
Attainable speed for oil-air lubrication		24000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	37
Reference grease quantity	G_ref	9.96	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	72	N
Static axial stiffness, preload class A		67	N/µm
Preload class B	G_B	145	N
Static axial stiffness, preload class B		88	N/µm
Preload class C	G_C	430	N
Static axial stiffness, preload class C		139	N/µm
Calculation factors
Calculation factor	f	1.11
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	f₀	10

Mass

Mass bearing

0.8

Model Number: 71920 CB/HCP4AL
Inner Diameter：100mm Outer Diameter：140mm Width：20mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2025-12-09
Application:bathroom facilities,directional control valve,dynamic blood pressure,sheet industry,stirrer,noise inspection,metallurgy,electromagnet,Cutting Machine,SPA equipment,medical equipment
Similar models:71920 CD/P4AL S71920 ACB/P4A 71920 CB/P4AL S71920 ACD/P4A 71920 ACB/P4A 71920 CB/HCP4A 71920 ACE/HCP4A 71920 ACD/HCP4A 71920 ACB/HCP4A 71920 ACD/P4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 71920CB/HCP4AL products，there is large inventory of SKF 71920 CB/HCP4AL Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71920 CB/HCP4AL Which SKF 71920CB/HCP4AL is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
1220 VE R	1157	-	-	Seals
32396	82.55	107.92	11.13	Seals
470441	429	-	-	Seals
71922 CE/HCP4AL	110	150	20	Bearings, units and housings
BSA 207 C	35	72	17	Bearings, units and housings
FSAF 22515 x 2.1/2 TLC	63.5	-	-	Bearings, units and housings
FYTB 1.3/16 FM	30.163	-	-	Bearings, units and housings
FYTJ 35 KF	30	-	-	Bearings, units and housings
PFT 40 RM	40	-	-	Bearings, units and housings
SAFS 22534 T	150.8125	-	-	Bearings, units and housings
SAFS 22640 x 7.1/8 TLC	180.975	-	-	Bearings, units and housings
SYFWK 25 LTHR	25	-	-	Bearings, units and housings

Purchase the SKF 71920 CB/HCP4AL Please fill in the following

Hot number： 11205 ETN9 2307 E-2RS1KTN9 3207 A-2ZTN9/MT33 62204-2RS1 7208 BECBY BT4B 328268/HA1 FSAF 22518 x 3.1/8 FYR 2 3/4-3 H 217 N 1015 KTN/HC5SP PSM 405040 A51 PSM 809570 A51 RNU 2209 ECP SAW 23520 x 3.1/2 T W 619/3-2Z