d - 90 mm

D - 190 mm

T - 103 mm

C - 70 mm

a - 124 mm

d1 - 138 mm

r1 min. - 4 mm

r2 min. - 4 mm

r5 min. - 1 mm

Cb min. - 16,5 mm

db min - 105 mm

Db min. - 179 mm

ra max. - 3 mm

rc max. - 1 mm

Weight - 12,5 Kg

Basic dynamic load rating (C) - 457 kN

Basic static load rating (C0) - 630 kN

Fatigue load limit (Pu) - 73,5

Reference speed - 1900 r/min

Limiting speed - 3400 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,8

Calculation factor (Y1) - 0,81

Calculation factor (Y2) - 1,2

• Model Number: 31318T103J2/DB31
• Inner Diameter：90mm Outer Diameter：190mm Width：103mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:machine lathe,generator,decoration machinery,Handling machinery and various industrial machinery,tire industry,Spectrum Products,Cleaning equipment,animal,medical equipment,Industrial equipment,transportation equipment
• Similar models:SKF 31318T103J2/DB31 Fersa 31318F ISO 31318 FAG 31318-N11CA-A160-200 NKE 31318 ZVL 31318A SKF 31318J2 FAG 31318-N11CA-A60-80 CYSD 31318 ISB 31318
• BEARING POWER International Trading Co.,Ltd. specialize in 31318T103J2/DB31 products，there is large inventory of SKF 31318T103J2/DB31 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 31318T103J2/DB31 Which SKF 31318T103J2/DB31 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
  25NQ3717AD-1	25	37	17	KOYO	Needle Roller Bearings
  33115	75	125	37	FBJ	Tapered Roller Bearings
  36990/36920	227,012	177,8	30,162	SKF	Tapered Roller Bearings
  51103	17	30		AST	Thrust Ball Bearings
  51432	160,000	320,000	130,000	NTN	Thrust Ball Bearings
  6415	75	190	45	CX	Deep Groove Ball Bearings
  9308K	40	62	12	Timken	Deep Groove Ball Bearings
  AB-BC1M46-319389B	46,8	72	17	SKF	Cylindrical Roller Bearings
  FR2	3,175	9,525	3,967	FBJ	Deep Groove Ball Bearings
  JH211749/JH211710	65	120	39	Timken	Tapered Roller Bearings
  MJH-16121	25,4	33,338	19,05	NSK	Needle Roller Bearings
  NF208E	40,000	80,000	18,000	NTN	Cylindrical Roller Bearings
  NH238	190	340	55	ISO	Cylindrical Roller Bearings
  NUP1896	480	600	56	CX	Cylindrical Roller Bearings
  RNA4868	370	420	80	CX	Needle Roller Bearings
  UCC211	55		55.6	NACHI	Bearing Units
  USPP201	12			SNR	Bearing Units
  NUP226	130	230	40	SKF	CYLINDRICAL ROLLER BEARINGS
  CF-1/2-SB	.1900	.5000	.3750	McGill	NEEDLE BEARINGS
  310-MFF	50	110	27	MRC	DEEP GROOVE BALL BEARINGS