d - 45,23 mm

D - 79,985 mm

T - 19,842 mm

B - 20,638 mm

C - 15,08 mm

ra1 max. - 1,3 mm

a - 15,9 mm

r min. - 2 mm

r1 min. - 1,3 mm

Da - 68 mm

db - 52 mm

ra max. - 2 mm

da - 57 mm

Db - 74 mm

Weight - 0,41 Kg

Basic dynamic load rating (C) - 62 kN

Basic static load rating (C0) - 78,5 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6000 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,9

Calculation factor (Y1) - 1,6

• Model Number:17887/17831
• Inner Diameter：45,23mm Outer Diameter：79,985mm Width：19,842mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:Cutting Machine,lifting equipment Hoisting hoist,chamfering machine etc,vertical processing,instrument,power tools,mobile toilet,generator,wall materials,key lock,oral medical device
• Similar models:NSK 17887/17831 AST 17887/17831 KOYO 17887/17831 FAG K17887-17831 NTN 4T-17887/17831SA Timken 17887/17831 PFI 17887/31 Fersa 17887/17831 NTN 4T-17887/17831 KBC 17887/17831
• BEARING POWER International Trading Co.,Ltd. specialize in 17887/17831 products，there is large inventory of NSK 17887/17831 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 17887/17831 Which NSK 17887/17831 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
  170FC118850	850	1180	850	KOYO	Cylindrical Roller Bearings
  32028AX	140	210	45	TMB	Tapered Roller Bearings
  3775/3720	50,8	93,264	30,162	Timken	Tapered Roller Bearings
  6900N	10	22	6	NACHI	Deep Groove Ball Bearings
  7218-B	90	160	30	SIGMA	Angular Contact Ball Bearings
  K22X26X10.6	22,000	26,000		NTN	Needle Roller Bearings
  N3144	220	370	120	CX	Cylindrical Roller Bearings
  NKI 95/36	95	125	36	NBS	Needle Roller Bearings
  NP424	120	310	72	CX	Cylindrical Roller Bearings
  SIJ 80 ES	80			SKF	Plain Bearings
  TUP2 22.25	22	25		CX	Plain Bearings
  XW-15				INA	THRUST BALL BEARINGS
  LP1222U	110	200	38	Rollway	CYLINDRICAL ROLLER BEARINGS
  SAL6E	6		6	SKF	ROD ENDS
  93448	.8750	1.2500	3.0000	RBC	JOURNAL ROLLER ASSEMBLIES
  1601	.1875	.6875	.2500	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SQ-209-104	1.2500	3.3465	1.4375	CONSOLIDATED	AGRICULTURAL BALL BEARINGS
  MR-80-N			2.0000	CONSOLIDATED	NEEDLE BEARINGS
  811/500			32	CONSOLIDATED	THRUST ROLLER BEARINGS
  RPNA-15/28	28		12	CONSOLIDATED	SELF ALIGNING NEEDLE BEARINGS WITHOUT INNER RACE