d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 21 mm

a - 37 mm

r min. - 2,5 mm

r1 min. - 2 mm

da min. - 75 mm

Da min - 94 mm

Da max. - 110 mm

db max. - 67 mm

Db min. - 114 mm

ra max. - 2 mm

rb max. - 2 mm

Weight - 1,58 Kg

Basic dynamic load rating (C) - 131 kN

Basic static load rating (C0) - 153 kN

(Grease) Lubrication Speed - 2800 r/min

(Oil) Lubrication Speed - 4000 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,73

• Model Number: HR31311J
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-13
• Application:historical instruments,ventilation equipment,disposable,drawing die,security equipment,sucker industry,Pneumatic Actuator,steam Hydraulic control element,EEG,printing machinery,orthodontic material
• Similar models:ISB 31311 SKF 31311J2/QCL7C Timken X31311M/Y31311M Fersa 31311F CYSD 31311 SNR 31311A FAG 31311-A-N11CA-A80-120 CX 31311A ISO 31311 SKF 31311J2/QDF
• BEARING POWER International Trading Co.,Ltd. specialize in HR31311J products，there is large inventory of NSK HR31311J . We has been built up long-term cooperation with NSK company, could make a bulk order of the HR31311J Which NSK HR31311J 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
  1201-TVH	12	32	10	FAG	Self-Aligning Ball Bearings
  160FSH260	160	260	80	Timken	Plain Bearings
  21308V	40,000	90,000	23,000	SNR	Spherical Roller Bearings
  240/1060 K30CW33+AH240/1060	1060	1500	438	CX	Spherical Roller Bearings
  2LA-HSE917ADG/GNP42	85	120	18	NTN	Angular Contact Ball Bearings
  32232J/DF	160	290	168	ISB	Tapered Roller Bearings
  45KBE03	45	100	49.5	NACHI	Tapered Roller Bearings
  5203NRZZG15	17,000	40,000	17,500	SNR	Angular Contact Ball Bearings
  54244	220	300	115.2	NACHI	Thrust Ball Bearings
  607	7	19	6	NTN	Deep Groove Ball Bearings
  61907 ZZ	35	55	10	ISO	Deep Groove Ball Bearings
  7016 CDF	80	125	44	ISO	Angular Contact Ball Bearings
  7840	200,000	250,000	24,000	NTN	Angular Contact Ball Bearings
  F-228419	30	72	19	INA	Cylindrical Roller Bearings
  NJ308EG15	40,000	90,000	23,000	SNR	Cylindrical Roller Bearings
  NKIS60	60	90	28	ISO	Needle Roller Bearings
  ND16	16	38	10	New Departure	MAGNETO BEARINGS
  220824	1.3750	2.3750	1.5000	Rollway	JOURNAL ROLLER ASSEMBLIES
  NU-228E	140	250	42	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  K-19x23x17	19	23	17	CONSOLIDATED	NEEDLE BEARINGS