d - 30 mm

D - 72 mm

T - 20,75 mm

B - 19 mm

C - 14 mm

a - 23,1 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

da min. - 44 mm

Da min - 55 mm

Da max. - 63 mm

db max. - 40 mm

Db min. - 68 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,393 Kg

Basic dynamic load rating (C) - 49 kN

Basic static load rating (C0) - 52,5 kN

(Grease) Lubrication Speed - 4800 r/min

(Oil) Lubrication Speed - 6800 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,73

• Model Number: HR31306J
• Inner Diameter：30mm Outer Diameter：72mm Width：20,75mm
• Type：Tapered Roller Bearings
• Update date：2025-04-24
• Application:ship special,relay,security equipment,hydraulic pump,industry test,Traffic Fire Protection Equipment Security equipment,internal combustion engine,other lathe,Industry,Other Machine Tools,vertical sawing machine
• Similar models:FAG 31306-A NKE 31306-DF SNR 31306A Fersa 31306F ISB 31306J/DF ISO 31306 NKE 31306 FBJ 31306 ZVL 31306A SNR 31306V3QT
• BEARING POWER International Trading Co.,Ltd. specialize in HR31306J products，there is large inventory of NSK HR31306J . We has been built up long-term cooperation with NSK company, could make a bulk order of the HR31306J Which NSK HR31306J 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
  565/563	63,5	127	36,512	ISO	Tapered Roller Bearings
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  6234	170	310	52	NSK	Deep Groove Ball Bearings
  D/W R8-2Z	28,575	12,7	7,938	SKF	Deep Groove Ball Bearings
  GEG160ES	160	260		AST	Plain Bearings
  GYM1100KRRB	25,4	62	38,1	Timken	Deep Groove Ball Bearings
  NJ 2307	35	80	31	NACHI	Cylindrical Roller Bearings
  NJ211-E-MA6+HJ211-E	55	100	21	NKE	Cylindrical Roller Bearings
  NU1007-M1	35	62	14	FAG	Cylindrical Roller Bearings
  PCJ5/8	15,875			INA	Bearing Units
  SIZP19N	19.05			LS	Plain Bearings
  YRT 260	260	385	55	ISB	Thrust Roller Bearings
  21507-00	.4375	.9062	.3125	General	DEEP GROOVE BALL BEARINGS
  BU1221L	105	190	36	Hyatt	CYLINDRICAL ROLLER BEARINGS
  FY1/4ZZ	.2500	.6250	.1960	SKF	DEEP GROOVE BALL BEARINGS
  FR2ZZ	.1250	.3750	.1562	SKF	DEEP GROOVE BALL BEARINGS
  7234BMG	170	310	52	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  NUTR-2052-X	20	52	25	CONSOLIDATED	NEEDLE BEARINGS
  SAL8C	8		8	CONSOLIDATED	ROD ENDS