d - 49,21 mm

D - 63,5 mm

C - 31,75 mm

Weight - 0,272 Kg

• Model Number: MR-31
• Inner Diameter：49,21mm Outer Diameter：63,5mm Width：31,75mm
• Type：Needle Roller Bearings
• Update date：2025-12-13
• Application:quality inspection equipment,motor,Digital Generator,tire industry,Rolling mill,Small air generators,training beds etc,labor insurance,surgical instruments,Embroidery,forklift industry
• Similar models:INA BK1312 NTN K25×31×21 IKO KT172315 NTN HK1312D CX K25x31x14 KOYO 31BTM3918A NTN PK25X31X16.8 NSK FJLTT-3031 AST S1316 INA 712147310
• BEARING POWER International Trading Co.,Ltd. specialize in MR-31 products，there is large inventory of SIGMA MR-31 . We has been built up long-term cooperation with SIGMA company, could make a bulk order of the MR-31 Which SIGMA MR-31 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
  10-3021	15	43	13	CYSD	Deep Groove Ball Bearings
  23228-2RS	140	250	88	ISB	Spherical Roller Bearings
  28985/28920	60,325	101,6	25,4	NSK	Tapered Roller Bearings
  6017N	85	130	22	NTN	Deep Groove Ball Bearings
  6311-2RS	55	120	29	CRAFT	Deep Groove Ball Bearings
  7309-BE-MP	45	100	25	NKE	Angular Contact Ball Bearings
  7904A5TRSU	20	37	9	NSK	Angular Contact Ball Bearings
  HAR008	40	68	15	KOYO	Angular Contact Ball Bearings
  KFX120	304,8	342,9	19,05	KOYO	Angular Contact Ball Bearings
  MT2	50,8	93,6625	34,925	RHP	Thrust Ball Bearings
  N252	260	480	80	ISO	Cylindrical Roller Bearings
  RCJL70	70			INA	Bearing Units
  RNA4972	400	480	118	NTN	Needle Roller Bearings
  SL04180-PP	180	240	80	INA	Cylindrical Roller Bearings
  SSR 17	17	40	22	ISB	Plain Bearings
  XU 12 0179	124,5	234		INA	Thrust Roller Bearings
  SAF620	3.4375			FAG	PILLOW BLOCKS
  N-334	170	360	72	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  2913	90	65		CONSOLIDATED	THRUST BALL BEARINGS
  SDAF-522	3.9375	9.8750		CONSOLIDATED	PILLOW BLOCKS