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：2026-01-02
• Application:Automation,fabric products,Industrial equipment,Pneumatic Actuator,ventilation equipment,set bacteria instrument,agricultural testing and analysis equipment and related,hydraulic pump,industrial fans,Cleaning equipment,glass processing machine
• Similar models:NKE 31328-DF NTN 31328XUDF ISB 31328XJ/DF NSK HR31328J ISB 31328 KOYO 31328JR NTN 31328XU CYSD 31328 FAG 31328-X SKF 31328XJ2/DF
• 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
  231/600BK	600	980	300	NTN	Spherical Roller Bearings
  24056BK30	280	420	140	NTN	Spherical Roller Bearings
  24180-K30-MB-W33	400	650	250	NKE	Spherical Roller Bearings
  5200AZ	10	30	14.3	NACHI	Angular Contact Ball Bearings
  5564R/5535	63,5		43,764	KOYO	Tapered Roller Bearings
  6934	170	230	28	NTN	Deep Groove Ball Bearings
  7206CG/GLP4	30	62	16	NTN	Angular Contact Ball Bearings
  CRB 20035	200	295	35	ISB	Thrust Roller Bearings
  E32214J	70	125	33.25	NACHI	Tapered Roller Bearings
  M246948/M246910	237,33	336,55	65,088	Timken	Tapered Roller Bearings
  SA 60 ES	60	90	44	ISB	Plain Bearings
  XGB42555S01	43	78	44	SNR	Angular Contact Ball Bearings
  RL-30	3.7500	6.7500	1.1250	FAG	SELF
  NU2328	140	300	102	FAG	CYLINDRICAL ROLLER BEARINGS
  NAF80x110x30	80	110	30	FAG (Old No.)	NEEDLE BEARINGS
  SDAF-628	4.9375			Torrington	PILLOW BLOCKS
  NBX40619	16.0000	17.5000	.7500	NSK	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  7088MG	440	650	94	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  QJ-1040	200	310	51	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  YCRS-22	.3750	1.3750	.8125	CONSOLIDATED	NEEDLE BEARINGS