Bearings, units and housings -- Ball bearings -- Self-aligning ball bearings -- Self-aligning ball bearings -- SKF 2308 EM

2308 EM

Dimensions

d		40	mm
D		90	mm
B		33	mm
d₁	≈	53.75	mm
D₁	≈	77.8	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	min.	49	mm
D_a	max.	81	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	54	kN
Basic static load rating	C₀	16	kN
Fatigue load limit	P_u	0.82	kN
Reference speed		14000	r/min
Limiting speed		10000	r/min
Permissible angular misalignment	a	3	°
Calculation factor	k_r	0.05
Calculation factor	e	0.4
Calculation factor	Y₀	1.6
Calculation factor	Y₁	1.6
Calculation factor	Y₂	2.4

Mass

Mass bearing

1.01

Model Number: 2308 EM
Inner Diameter：40mm Outer Diameter：90mm Width：33mm
Reference speed:10000 r/min Limiting speed:14000 r/min
Type：Bearings, units and housings Ball bearings Self-aligning ball bearings Self-aligning ball bearings
Details： Self-aligning ball bearings
Update date：2026-07-24
Application:miscellaneous instruments,experimental equipment,orthodontic material,Cutting Machine,wheel lathe,product accessories,survey accessories,Security Equipment,teaching equipment,reducer,Machine Tool Accessories
Similar models:BD-22308 EK-AH 2308 YSA 208-2FK + HE 2308 23080 CCK/W33 BD-22308 EK-H 2308 23088 CA/W33 22308 EK 23080 CC/W33 2308 EM NJ 2308 ECPH NJ 2308 ECJ
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Model No. Inner Diameter Outer Diameter Width Type

35x50x7 HMSA10 RG
70x88x8 CRW1 R
95x120x12 CRWA1 V
FYRP 1 11/16
OKC 760

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Hot number： 17761 209-ZNR BD-23228-2CS5K/VT143-H 2328 23936 CCK/W33 3311 ATN9 7209 BECBY 87274 EE 843220/843290 EE 982051/982900 KR 26 XB NJ 313 ECM NUKRE 52 A PBM 142012 M1G1 S7001 ACD/HCP4A TUWK 1.3/16 LTHR

Model No.	Inner Diameter	Outer Diameter	Width	Type
35x50x7 HMSA10 RG
70x88x8 CRW1 R
95x120x12 CRWA1 V
FYRP 1 11/16
OKC 760