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：2025-04-18
• Application:generator,defogging and degreasing,wall industry,ultra-quiet generators,powder metallurgy,plastic molding,thread processing machine,Chromatography Products,Cylinder Special,Rolling mill,Machine tool accessories
• Similar models:NTN 31328XU CX 31328A ISB 31328XJ/DF ISO 31328 NTN 31328X NKE 31328-DF FAG 31328-X-N11CA-A160-200 FAG 31328-X-N11CA CYSD 31328 ISB 31328
• 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.

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  315	75	160	37	SKF	Deep Groove Ball Bearings
  53213U	65	100	28,7	KOYO	Thrust Ball Bearings
  6002-2Z	15	32	9	ZEN	Deep Groove Ball Bearings
  61917	85	120	18	ISO	Deep Groove Ball Bearings
  8574/8520CD+A	234,95	327,025	114,3	NTN	Tapered Roller Bearings
  B7203-E-T-P4S	17	40	12	FAG	Angular Contact Ball Bearings
  GX80S	80	180	50	FBJ	Plain Bearings
  KBK 12x16x13	12	16		NBS	Needle Roller Bearings
  NKI 80/35	80	110	35	JNS	Needle Roller Bearings
  NUP2320-E-MPA	100	215	73	NKE	Cylindrical Roller Bearings
  RNU 216 ECP	140	95,3	26	SKF	Cylindrical Roller Bearings
  W 63803 R-2Z	26	17	7	SKF	Deep Groove Ball Bearings
  260K	540	300	85	FAF	DEEP GROOVE BALL BEARINGS
  1914HCDUL	70	100	16	Barden	ANGULAR CONTACT BALL BEARINGS
  618/710M	710	870	74	FAG	DEEP GROOVE BALL BEARINGS
  D-13	2.3437	1.2500		INA	THRUST BALL BEARINGS
  S6201.2RSR	12	32	10	FAG	DEEP GROOVE BALL BEARINGS
  SSUCP206-18	1.1250			Peer	STAINLESS STEEL PILLOW BLOCKS