d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 25 mm

a - 25 mm

r1 min. - 2,5 mm

r2 min. - 2,5 mm

r3 min. - 2 mm

r4 min. - 2 mm

da max - 71 mm

Da min - 104 mm

db min - 65 mm

Db min. - 111 mm

Weight - 1,8 Kg

Basic dynamic load rating (C) - 159 kN

Basic static load rating (C0) - 167 kN

Limiting speed - 5600 r/min

Calculation factor (e) - 0,34

Calculation factor (Y) - 1,74

Calculation factor (Y0) - 0,96

• Model Number:30311
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2023-03-12
• Application:rolling mill roll neck and slowdown device,Cylinder Pneumatic Treatment Element,engineering machinery,plastic molding,E Beauty,Pneumatic Control Elements,Pneumatic Control Valves,test laboratory equipment and accessories,Cylinder Standard,Vertical pull,atomizer class
• Similar models:NSK HR30311DJ Timken X30311/Y30311 KOYO 30311DJR FAG 30311-A NTN 30311 KOYO 46T30311JR/57 Fersa 30311F NTN 30311D SKF 30311J2/Q KBC 30311DJ
• BEARING POWER International Trading Co.,Ltd. specialize in 30311 products，there is large inventory of NKE 30311 . We has been built up long-term cooperation with NKE company, could make a bulk order of the 30311 Which NKE 30311 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  23034MBW33	170	260	67	AST	Spherical Roller Bearings
  2580/2523S	31.75	69,85	23,812	FBJ	Tapered Roller Bearings
  6575R/6536	76,2		55,1	KOYO	Tapered Roller Bearings
  7018 CDB	90	140	48	ISO	Angular Contact Ball Bearings
  7215BEP	75	130	25	SKF	Angular Contact Ball Bearings
  BAM 2212	34,925	41,275	19,05	IKO	Needle Roller Bearings
  MBT10	10	21	10	NMB	Plain Bearings
  NA4900-2RS	10	22	13	CRAFT	Needle Roller Bearings
  NJ236R	180	320	52	KOYO	Cylindrical Roller Bearings
  NUP 220	100	180	34	ISB	Cylindrical Roller Bearings
  PHU5065	33	140	84,7	PFI	Angular Contact Ball Bearings
  WJC-081010	12,7	15,875		NSK	Needle Roller Bearings
  SF4910	243,000	312,000	33,000	NTN	Angular Contact Ball Bearings
  UCC328	140			SNR	Bearing Units
  NNCL4868V.C3	340	420	80	FAG	CYLINDRICAL ROLLER BEARINGS
  317	85	180	41	FAG	DEEP GROOVE BALL BEARINGS
  D-31	3.8437	2.3750		INA	THRUST BALL BEARINGS
  NF210E	50	90	20	STEYR	CYLINDRICAL ROLLER BEARINGS
  NUP406	30	90	23	STEYR	CYLINDRICAL ROLLER BEARINGS
  1315	75	160	37	STEYR	SELF