NJ2308ECJ 40mmx90mmx33mm single row cylindrical roller bearings

Size:40mmx90mmx33mm

Weight:1.01kg

Detailed technical data of NJ2308ECJ is as below

Dimensions

d		40	mm
D		90	mm
B		33	mm
d1	≈	57.5	mm
D1	≈	75.18	mm
F		52	mm
r1,2	min.	1.5	mm
r3,4	min.	1.5	mm
s	max.	2.9	mm

Abutment dimensions

da	min.	48	mm
da	max.	50	mm
db	min.	60	mm
Da	max.	81.8	mm
ra	max.	1.5	mm

Calculation data

Basic dynamic load rating	C		129	kN
Basic static load rating	C0		120	kN
Fatigue load limit	Pu		15.3	kN
Reference speed			8000	r/min
Limiting speed			9500	r/min
Calculation factor	kr		0.25
Limiting value	e		0.3
Axial load factor	Y		0.4

Mass

Mass bearing

1.01

kg

 

Application of NJ2308ECJ:

NJ2308ECJ bearings are widely used in vortex pumps, permanent magnet chucks, drilling machines, handles, beverage production equipment, high frequency welding machines, CNC machine tools, fishing machinery, vibration dryers, leak-free pumps, sand mills, machine tool dampers, glass machinery, Plastic granulator, grain processing equipment, screen printing machine, bellows equipment, non-blocking pump, standard sieve, communication, steam pump, stone machinery, reciprocating pump, chip conveyor, shoe-making machinery, etc. 

 

Brief introduction of Sun Rises Group Limited

Sun Rises Group Limited is the agent of bearings brand SKF/TIMKEN/FAG/INA/KOYO/NSK/IKO/THK etc. with the following advantage.

1)Full range: ≥10,000+ items, including wheel bearings and industry bearings;

2)Big stock: ≥100,000 pcs;

3)Fast delivery: normally 4 days if available stock;

At the same time, we especially professional at industrial bearings used for:

1)steel process machines (including metal bending, cutting, drilling, grinding etc);

2)conveyors; 

3)CNC lathe;

4)construction equipment;

5)energy industry (includes thermal power factory,wind-power, oil platform...)

If any bearings demand for equipment maintenance, freely advise. 

 

Remark:

Because of words and picture limitation, we can only show few products.

So if you have interest in other bearings while it not show on the web,  freely send me mail for the detailed answer.

Name: Gavin Chu

Mail: gavinchu@sunrises-group.com

WhatsApp: +86 18863721236

Skype: gavinchu8

Wechat:chufugai

Devoted to be the bearing specialist around U.

 

Technical data of NJ2314 ECJ/NJ2314 ECP

Dimensions

d		70	mm
D		150	mm
B		51	mm
d1	≈	97.3	mm
D1	≈	125.6	mm
F		89	mm
r1,2	min.	2.1	mm
r3,4	min.	2.1	mm
s	max.	4.8	mm

Abutment dimensions

da	min.	82	mm
da	max.	86	mm
db	min.	100	mm
Da	max.	137.5	mm
ra	max.	2	mm

Calculation data

Basic dynamic load rating	C		315	kN
Basic static load rating	C0		325	kN
Fatigue load limit	Pu		41.5	kN
Reference speed			4800	r/min
Limiting speed			5600	r/min
Calculation factor	kr		0.25
Limiting value	e		0.3
Axial load factor	Y		0.4

Mass

Mass bearing

4.02

kg

 

Technical data of NN 3092 K/SPW33 (super precision double row cylindrical roller bearings)

 

NN 3092 K/SPW33

Dimensions

d		460	mm
D		680	mm
B		163	mm
d1		542	mm
E		624	mm
b		22.3	mm
K		12	mm
r1,2	min.	6	mm
r3,4	min.	3	mm
s	max.	14.4	mm

Tapered bore, taper 1:12

Abutment dimensions

da	min.	483	mm
Da	min.	627	mm
Da	max.	657	mm
ra	max.	5	mm

Calculation data

Basic dynamic load rating	C		2600	kN
Basic static load rating	C0		5500	kN
Fatigue load limit	Pu		440	kN
Attainable speed for grease lubrication			1000	r/min
Attainable speed for oil-air lubrication			1200	r/min

Mass

Mass bearing

190

kg