Delivery Time:5-7 working days after received your payment
Certification:ISO9001:2008, ISO14001

NJ311EM P4 P2 Precision Roller Bearing in Large And Medium - Sized
 
 
Specifications:

Bearing Type	NJ311EM
Dimension	55*120*29mm
Serie	Cylindrical roller bearing
No. of Row	single Row
Seal Type	Open,2RS,ZZ2
Bearing Material	Chromel steel,Stainless steel,carbon steel
Cage	Steel ,nylon ,brass ,bronze,etc
Clearance	C0,C2,C3,C4,C5
Precision Rating	P0, P6,P5,P4,P2
Vabration	Z1V1, Z2V2, Z3V3,Z4V4
Mass(KG)	1.5
Package	Single box, carton,wooden box or per your rquest
Guarantee	One year
Service	(1)Prompt delivery
(2)OEM
(3)Buyer label offered
(4)High Quality
Delivery Date	5-7 working days
Certification	ISO9001:2008

Description:
 
Cylindrical roller and race for line contact bearing.Load capacity is big, mainly bear radial load.Roller and ring guard friction small, suitable for high speed rotation.May according to the ring presence of guard, NU, NJ, NUP, N, NF, such as single row cylindrical roller bearings, double row cylindrical roller bearing and NNU, NN and other.The bearing inner ring and outer ring is separable structure.
No guard of cylindrical roller bearing inner ring or outer ring, internal ring and outer ring can be to relative axial movement, so can be used as free end bearing.The one side of the inner ring and outer ring with double guard, on the other side of the ring has a single guard cylindrical roller bearing, can withstand a certain degree of axial load in one direction.General use of stamping steel cage, cage or copper alloy car system entities.But there are also part of the use of polyamide forming keep frame.
 

Application:
 
Mainly used in large and medium-sized motor, locomotives, spindle, internal combustion engines, generators, gas turbines, reducer, rolling mill, vibrating screen and lifting transportation machinery, etc

Single Row Cylindrical Roller Bearing
Bearing Designation	Boundary Dimensions	Mass
d	D	B
mm	kg
N311E	55	120	29	1.57
NJ311E	55	120	29	1.5
NU311E	55	120	29	1.45
NUP311E	55	120	29	1.55
NJ2311E	55	120	43	2.3
NU2311E	55	120	43	2.25
NUP2311E	55	120	43	2.35