WD Needle Roller Bearing | Heavy Duty Needle Roller Bearings

Shaft Diameter	Bearing Designation	Mass Approx	Boundary Dimensions						Basic Load Rating		LimitingSpeed
Shaft Diameter		Mass Approx	D	FW F	D	B C	D₁	S remark1	Cr Dynamic	Cor Static	Oil
mm		g	mm						N		rpm
without inner ring
15	RPNA15/28	32		15	28	12	24.5		4660	5700	24000
18	RPNA18/32	52		18	32	16	27		9800	14000	22000
20	RPNA20/35	62		20	35	16	30.5		10500	15500	21000
25	RPNA25/42	109		25	42	20	36.5		14900	27800	18000
28	RPNA28/44	112		28	44	20	38.5		20500	31900	16000
30	RPNA30/47	125		30	47	20	42		20980	33500	15000
35	RPNA35/52	131		35	52	20	47.5		21500	39600	13000
40	RPNA40/55	141		40	55	20	50.5		24000	44700	11000
45	RPNA45/62	176		45	62	20	58		24800	50900	10000
with inner ring
12	PNA12/28	37	12	15	28	12	24.5	0.5	4660	5700	24000
15	PNA15/32	62	15	18	32	16	27	0.5	9800	14000	22000
17	PNA17/35	73	17	20	35	16	30.5	0.5	10500	15500	21000
20	PNA20/42	136	20	25	42	20	36.5	0.5	14900	27800	18000
22	PNA22/44	145	22	28	44	20	38.5	0.5	20500	31900	16000
25	PNA25/47	157	25	30	47	20	42	0.5	20980	33500	15000
30	PNA30/52	181	30	35	52	20	47.5	0.5	21500	39600	13000
35	PNA35/55	177	35	40	55	20	50.5	0.5	24000	44700	11000
40	PNA40/62	227	40	45	62	20	58	0.5	24800	50900	10000
Remark "S":the permit displacement in axial direction of ring relative to outer ring Limiting speed for grease:60% of the one for oil

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Email: sales@wd-bearing.com

Aligning Heavy Duty Needle Roller Bearings With or Without Inner Ring