d - 140 mm

D - 300 mm

T - 77 mm

B - 70 mm

C - 47 mm

a - 93,8 mm

r min. - 5 mm

r1 min. - 4 mm

r2 min. - 4 mm

da min. - 162 mm

da max - 167 mm

Da min - 254 mm

Da max. - 282 mm

db max. - 167 mm

Db min. - 280 mm

ra max. - 4 mm

rb max. - 3 mm

Db - 280 mm

Weight - 23,3 Kg

Basic dynamic load rating (C) - 674 kN

Basic static load rating (C0) - 865 kN

(Grease) Lubrication Speed - 1100 r/min

(Oil) Lubrication Speed - 1500 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,73

• Model Number: 31328JR
• Inner Diameter：140mm Outer Diameter：300mm Width：77mm
• Type：Tapered Roller Bearings
• Update date：2025-12-17
• Application:stirrer,Workpiece,Digital Generator,food / grain / food equipment,relay,centrifugal pump,vertical processing,Leather Products,altimeter etc,tooth filling,generator
• Similar models:FAG 31328-X-N11CA-A160-200 NKE 31328-DF ISB 31328XJ/DF ISB 31328 CX 31328A CYSD 31328 ISO 31328 KOYO 31328JR NTN 31328X FAG 31328-X
• BEARING POWER International Trading Co.,Ltd. specialize in 31328JR products，there is large inventory of KOYO 31328JR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 31328JR Which KOYO 31328JR 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
  23222 CC/W33	200	110	69,8	SKF	Tapered Roller Bearings
  23292-K-MB+H3292	460	830	296	FAG	Spherical Roller Bearings
  4T-1986/1931	25,4	60,325	19,845	NTN	Tapered Roller Bearings
  4T-3980/3920	60,325	112,712	30,162	NTN	Tapered Roller Bearings
  53308+U308	40	78	28,5	NKE	Thrust Ball Bearings
  6300ZZ	10	35	11	NTN	Deep Groove Ball Bearings
  AST850SM 3230	32	36		AST	Plain Bearings
  RNA3045	62,1	85	38	KOYO	Needle Roller Bearings
  NA4848	240	300	60	ISO	Needle Roller Bearings
  NA6914	70	100	54	CRAFT	Needle Roller Bearings
  NF 221	105	168,8	36	NSK	Cylindrical Roller Bearings
  SBPFL206-18	25		30	KOYO	Bearing Units
  SNH87	12,7	19,05	11,112	INA	Needle Roller Bearings
  SN509	40		60	FAG	PILLOW BLOCKS
  TWB411	.2500	.6875		INA	THRUST NEEDLE BEARINGS
  3206	30	62	23.8	FAG	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  LS-12-NR	1.2500	2.7500	.6875	NH	DEEP GROOVE BALL BEARINGS
  65RIF292	6.5000	11.0000	1.6250	Torrington	CYLINDRICAL ROLLER BEARINGS
  130RIN554	13.0000	20.0000	2.7500	Torrington	CYLINDRICAL ROLLER BEARINGS
  SN-530..22230-K	135		160	CONSOLIDATED	PILLOW BLOCKS