Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Four-point contact ball bearings -- Angular contact ball bearings, four-point contact ball bearings SKF QJ 317 N2MA

QJ 317 N2MA

SKF Explorer

Dimensions

d		85	mm
D		180	mm
B		41	mm
d₁	≈	117	mm
D₁	≈	148	mm
a		93	mm
h		11.7	mm
b		10.5	mm
r₀		2	mm
r_1,2	min.	3	mm

Abutment dimensions

d_a	min.	99	mm
D_a	max.	166	mm
r_a	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	250	kN
Basic static load rating	C₀	255	kN
Fatigue load limit	P_u	8.65	kN
Limiting speed		6700	r/min
Calculation factor	A	193.17
Calculation factor	e	0.95
Calculation factor	X	0.6
Calculation factor	Y₀	0.58
Calculation factor	Y₁	0.66
Calculation factor	Y₂	1.07

Mass

Mass bearing

5.45

Model Number: QJ 317 N2MA
Inner Diameter：85mm Outer Diameter：180mm Width：41mm
Reference speed:6700 r/min Limiting speed:-
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Four-point contact ball bearings
Details： Four-point contact ball bearings Angular contact ball bearings, four-point contact ball bearings
Update date：2025-12-09
Application:equipment,rolling machine,EEG,laser devices,agricultural testing and analysis equipment and related,horizontal processing,electric hydraulic lifting platform,power tools,journal lathe,other accessories,natural instruments
Similar models:BD-21317 EK-AHX 317 SAF 1317 TLC 331714 B SAF 22317 T BD-23172-2CS5K/VT143-OH 3172 HE 6317 M/C3VL0241 SNP 3176x14 7317 BEP 22217 EK + AHX 317 6317-RS1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
15101/15245	25.4	62	19.05	Bearings, units and housings
21063	53.975	69.85	9.53	Seals
3687	9.525	19.02	6.35	Seals
7316 BECBPH	80	170	39	Bearings, units and housings
FYRP 2 7/16-3	61.9125	-	-	Bearings, units and housings
FYTB 1.5/8 TF	41.275	-	-	Bearings, units and housings
GEZ 212 ES	69.85	111.125	61.112	Bearings, units and housings
NJ 2238 ECML	190	340	92	Bearings, units and housings
S71908 ACE/HCP4A	40	62	12	Bearings, units and housings
SY 25 LDW	25	-	-	Bearings, units and housings
SYNT 55 FTS	55	-	-	Bearings, units and housings
Z 306	30	-	6	Seals

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Hot number： 20530 490x530x20.5 HS5 D 593606 594431 70/1060 AMB FSAF 22515 x 2.1/2 H 212 HK 3018 RS KMFE 13 H NNCF 5017 CV NU 3168 ECMA PRMF 556050 SAW 23532 x 5.3/8 T XHCE 055/OK 160 Z 007 F