d - 40 mm

D - 90 mm

T - 25,25 mm

B - 23 mm

C - 17 mm

a - 28,7 mm

r min. - 2 mm

r1 min. - 1,5 mm

da min. - 56 mm

Da min - 70 mm

Da max. - 81 mm

db max. - 50 mm

Db min. - 87 mm

ra max. - 2 mm

rb max. - 1,5 mm

Weight - 0,728 Kg

Basic dynamic load rating (C) - 80 kN

Basic static load rating (C0) - 89,5 kN

(Grease) Lubrication Speed - 3800 r/min

(Oil) Lubrication Speed - 5300 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,73

• Model Number:HR31308J
• Inner Diameter：40mm Outer Diameter：90mm Width：25,25mm
• Type：Tapered Roller Bearings
• Update date：2025-12-27
• Application:directional control valve,historical instruments,surgical instruments,Spectrum Products,Traffic Fire Protection Equipment Security equipment,food / grain / food equipment,air conditioning tools,Plastic Equipment,other processing,test strip,atomizer class
• Similar models:ISB 31308J/DF FAG 31308-A ISB 31308 NSK HR31308J ISO 31308 FBJ 31308 Timken X31308/Y31308 SKF 31308J2/QCL7C FAG 31308-A-N11CA-A50-90 FAG 31308-XL-DF-A115-155
• BEARING POWER International Trading Co.,Ltd. specialize in HR31308J products，there is large inventory of NSK HR31308J . We has been built up long-term cooperation with NSK company, could make a bulk order of the HR31308J Which NSK HR31308J 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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  6016 ZZ	80	125	22	ISO	Deep Groove Ball Bearings
  6213ZZ	65,000	120,000	23,000	NTN-SNR	Deep Groove Ball Bearings
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  626/HR11TN	6	19	6	SKF	Deep Groove Ball Bearings
  6932	160	220	28	KOYO	Deep Groove Ball Bearings
  693ZZ	3	8	4	FBJ	Deep Groove Ball Bearings
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  AST800 6050	60	65		AST	Plain Bearings
  BLP205-14	22,225		27	KOYO	Bearing Units
  HR32934J	170	230	38	NSK	Tapered Roller Bearings
  K39X44X23.8	39,000	44,000		NTN	Needle Roller Bearings
  ML71915HVDUJ74S	75	105	16	SNR	Angular Contact Ball Bearings
  NCF2216 V	80	140	33	ISO	Cylindrical Roller Bearings
  UKX09+H2309	45	90	31	NACHI	Deep Groove Ball Bearings
  NCF1852V	260	320	28	FAG	CYLINDRICAL ROLLER BEARINGS
  AXK5070	50	70	3	FAG	THRUST NEEDLE BEARINGS
  4468	6.7500	9.7500		Andrews	THRUST BALL BEARINGS
  1308RR	40	90	23	FED	DEEP GROOVE BALL BEARINGS
  6213Z	65	120	23	SKF	DEEP GROOVE BALL BEARINGS
  6019-ZNR	95	145	24	CONSOLIDATED	DEEP GROOVE BALL BEARINGS