d - 105 mm

D - 225 mm

T - 58 mm

B - 53 mm

C - 36 mm

a - 70,3 mm

r min. - 4 mm

r1 min. - 3 mm

r2 min. - 3 mm

da min. - 123 mm

da max - 126 mm

Da min - 193 mm

Da max. - 211 mm

db max. - 126 mm

Db min. - 211 mm

ra max. - 3 mm

rb max. - 2,5 mm

Db - 211 mm

Weight - 9,72 Kg

Basic dynamic load rating (C) - 397 kN

Basic static load rating (C0) - 489 kN

(Grease) Lubrication Speed - 1500 r/min

(Oil) Lubrication Speed - 2100 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,73

• Model Number:31321JR
• Inner Diameter：105mm Outer Diameter：225mm Width：58mm
• Type：Tapered Roller Bearings
• Update date：2023-03-28
• Application:internal combustion engine,Die,van,Optical Instruments,root canal filling,coal mill,thread processing machine,Spectrum Products,rehabilitation training equipment,car,Gear grinding machine
• Similar models:NTN 31321X KOYO 31321JR NTN 31321XU NSK HR31321J FAG 31321-X-XL CX 31321A ISO 31321
• BEARING POWER International Trading Co.,Ltd. specialize in 31321JR products，there is large inventory of KOYO 31321JR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 31321JR Which KOYO 31321JR 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
  23044 KW33	220	340	90	ISO	Spherical Roller Bearings
  6310UU	50	110	27	KBC	Deep Groove Ball Bearings
  712147910	60	76,5	8,7	INA	Needle Roller Bearings
  71932 ACD/HCP4AH1	220	160	28	SKF	Angular Contact Ball Bearings
  7215 BDB	75	130	50	ISO	Angular Contact Ball Bearings
  9104K	20	42	12	Timken	Deep Groove Ball Bearings
  AST11 2815	28	32		AST	Plain Bearings
  GE90XS/K	90	140		AST	Plain Bearings
  GEG260ES	260	400		AST	Plain Bearings
  NJ 1036	180	280	46	NACHI	Cylindrical Roller Bearings
  NJ2344	220	460	145	NTN	Cylindrical Roller Bearings
  TSM 10 BB	10			ISB	Self-Aligning Ball Bearings
  SL024938	190	260	69	INA	Cylindrical Roller Bearings
  STF304KVS4351Eg	304,648	438,048	280,99	NSK	Tapered Roller Bearings
  XSU 14 0944	874	1014		INA	Thrust Roller Bearings
  FR-9	.2500	.5625		NICE	THRUST BALL BEARINGS
  71910CDHCP4A	50	72	12	SKF	ANGULAR CONTACT BALL BEARINGS
  YR-21/4-X	.6250	2.2500	1.3125	Smith	NEEDLE BEARINGS
  HJ-217	85		8	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  RMS-23-L	5.0000	10.0000	2.0000	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS