Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71921 CD/P4A

S71921 CD/P4A

Dimensions

d		105	mm
D		145	mm
B		20	mm
d₁		117.3	mm
d₂		117.3	mm
D₂		135.65	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		26.8	mm

Abutment dimensions

d_a	min.	111	mm
d_a	max.	116.7	mm
d_b	min.	111	mm
d_b	max.	116.7	mm
D_a	max.	139	mm
D_b	max.	141	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	61.8	kN
Basic static load rating	C₀	69.5	kN
Fatigue load limit	P_u	2.6	kN
Attainable speed for grease lubrication		8500	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	27
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	230	N
Static axial stiffness, preload class A		110	N/µm
Preload class B	G_B	460	N
Static axial stiffness, preload class B		151	N/µm
Preload class C	G_C	920	N
Static axial stiffness, preload class C		215	N/µm
Preload class D	G_D	1840	N
Static axial stiffness, preload class D		316	N/µm
Calculation factors
Calculation factor	f	1.25
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.4

Mass

Mass bearing

0.85

Model Number: S71921 CD/P4A
Inner Diameter：105mm Outer Diameter：145mm 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：2024-12-13
Application:test laboratory equipment and accessories,Gas turbine,metal mold,packaging machinery,Processing machinery,office outdoor camping equipment,boring bar boring bar,outdoor equipment,hinge industry,Broadcasting System,key lock
Similar models:S71921 ACD/HCP4A 71921 ACD/P4AL 71921 CD/P4AL S71921 CD/HCP4A S71921 ACD/P4A 71921 ACD/P4A 71921 CD/HCP4AH1 71921 CD/P4A 71921 ACD/HCP4AH1 71921 ACD/P4AH1
BEARING POWER International Trading Co.,Ltd. specialize in S71921CD/P4A products，there is large inventory of SKF S71921 CD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the S71921 CD/P4A Which SKF S71921CD/P4A 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
21270	53.975	81	11.91	Seals
23703	60.325	85.09	9.53	Seals
32x44x7 HMSA10 V	32	44	7	Seals
51107	35	52	12	Bearings, units and housings
FBSA 208 A/QBC	40	-	165	Bearings, units and housings
MB 23	115	159	-	Bearings, units and housings
NKIB 5903	17	30	20	Bearings, units and housings
NUP 230 ECJ	150	270	45	Bearings, units and housings
QJ 319 N2PHAS	95	200	45	Bearings, units and housings
SYF 20 FM	20	-	-	Bearings, units and housings
SYNT 40 FTS	40	-	-	Bearings, units and housings
WBB1-8702 R	2.5	8	2.5	Bearings, units and housings

Purchase the SKF S71921 CD/P4A Please fill in the following

Hot number： 1040 VE R 17557 240/900 BC BD-23140 CCK/W33-H 3140 240/1060 CAF/W33 313535 B 464777 6004-2Z AOHX 3196 G C 4026 K 81222 TN LS 80105 NJ 2330 ECML OKBS 74 SAF 22515 TLC