Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71936 CD/P4AH1

71936 CD/P4AH1

Dimensions

d		180	mm
D		250	mm
B		33	mm
d₁		201.6	mm
d₂		201.6	mm
D₁		228.4	mm
K		0.6	mm
C₁		8.6	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		45.4	mm

Abutment dimensions

d_a	min.	189	mm
d_b	min.	189	mm
D_a	max.	241	mm
D_b	max.	245	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		207.4	mm

Calculation data

Basic dynamic load rating	C	168	kN
Basic static load rating	C₀	212	kN
Fatigue load limit	P_u	6.1	kN
Attainable speed for grease lubrication		5300	r/min
Attainable speed for oil-air lubrication		8000	r/min
Ball diameter	D_w	22.225	mm
Number of balls	z	27
Reference grease quantity	G_ref	54	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	630	N
Static axial stiffness, preload class A		183	N/µm
Preload class B	G_B	1260	N
Static axial stiffness, preload class B		250	N/µm
Preload class C	G_C	2520	N
Static axial stiffness, preload class C		353	N/µm
Preload class D	G_D	5040	N
Static axial stiffness, preload class D		516	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	16.3

Mass

Mass bearing

4.2

Model Number: 71936 CD/P4AH1
Inner Diameter：180mm Outer Diameter：250mm Width：33mm
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：2026-06-25
Application:roller lathe,Animal Tracking,building decoration raw materials and accessories,Hair styling device,plastic blow molding,bag machine,power protection,natural instruments,Machine Tool Accessories,set bacteria instrument,extruder
Similar models:71936 CD/HCP4A 71936 ACD/HCP4A 71936 ACD/P4AH1 71936 ACD/HCP4AH1 71936 CD/HCP4AH1 71936 ACD/P4A 71936 CD/P4A 71936 CD/P4AH1
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Model No. Inner Diameter Outer Diameter Width Type

1250 VL V
BD-23234 CCK/W33-H 2334
6004-2RSL
BT4B 328842 E1/C325
PBMF 8510070 M1G1

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Hot number： 100x145x12 HMSA10 RG 1650 VA R 1850554 BD-22309 EK-H 2309 51140 M 6015 NR 6310-2Z 90953 BT2B 332685/HA1 TQO design FYTJ 508 N 1018 KTN9/HC5SP NNU 4930 B/SPW33 SNL 217 SNW 140x7.3/16

Model No.	Inner Diameter	Outer Diameter	Width	Type
1250 VL V
BD-23234 CCK/W33-H 2334
6004-2RSL
BT4B 328842 E1/C325
PBMF 8510070 M1G1