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                                                                                                                                                                                                                                                RNA152512 Needle Roller Bearings, 37 Mm Bore Needle Roller Bearings, RNA152512 loose needle bearings
                              

Bore Size:	20 - 37 Mm	Precision Rating:	P6
Vibration:	V1 V2 V3 V4	Number Of Row:	Single Row
Structure:	Outer Ring	Cage:	Nylon Cage

Bore Size:	20 - 37 Mm
Precision Rating:	P6
Vibration:	V1 V2 V3 V4
Number Of Row:	Single Row
Structure:	Outer Ring
Cage:	Nylon Cage

RNA152512 Needle Roller Bearings Dimension 20 - 37 Mm Bore Size

RNA152512 Needle Roller Bearings Dimension

Product Description:

Needle roller bearing is a bearing unit composed of machined outer ring & inner ring,cage and

needle roller assembly featuring small section height,big load capacity & rigidity,compact

structure and small size,high rotating accuracy with the structure of disposed inner ring.

Needle roller bearing is characterized by multiple structures,broad adaptability and easy

installation.

It is widely used in automobile,machine toll,lathe,metallurgical,textile,printing industry and

etc. Various machinery equipment. With this kind of bearing,machine design can realize the

goal of small-scale & light weight.

Types of Designs:

This kind of bearing has multiple structural styles for the choice of customers,such as

narrow & broad series,with or without inner rings,cages,rib or sealings. It can be designed

according to the special structural requirements of customers as well.

Material:

Material for needle roller is GCr15 bearing steel,quench-hardening HRC60-65

Material for inner and outer rings is GCr15 bearing steel,quench-hardening HRC60-65

Material for cages is quality low-carbon steel or reinforced nylon.

Related models and specifications

Bearing Designation	Original Code	Mass Approx	Boudary Dimensions(mm)			Basic Load Rating		Limiting Speed
Bearing Designation	Original Code	g	Fw	D	C	Dynamic	Static	Oil
NK 42/20	-	83	42	52	20	23900	45000	10000
NK 42/30	-	125	42	52	30	27000	49000	10000
RNA4907	4624907	99.3	42	55	20	19800	41500	8710
RNA 6907	6634907	160	42	55	36	26000	60500	8710
NK 43/20	-	84	43	53	20	25700	49000	10000
NK 43/30	-	126	43	53	30	39000	75000	10000
NK 45/20	644808	81.5	45	55	20	19800	46500	7650
NK 45/30	-	75.3	45	55	30	20500	49600	7650
NKS 45	-	80	45	60	22	21600	50500	7650
RNA 4908	4644908	132	48	62	22	31036	63873	8120
RNA 6908	6634908	238	48	62	40	64000	112000	8120
NK 50/25	-	167	50	62	25	28000	67000	8140
NK 50/35	-	236	50	62	35	32000	70100	8140
NKS50	-	328	50	65	22	40000	62000	8140
RNA 4909	4624909	163	52	68	22	37000	69500	7625
RNA 6909	6634909	308	52	68	40	61500	123500	7625
NK 55/25	-	167	55	68	25	30600	60800	7625
NK 55/35	-	210	55	68	35	36000	68000	7625
NKS 55	-	225	55	72	22	45000	7000	7500
RNA 4910	4644910	161	58	72	22	41000	72000	7500
RNA 6910	6634910	296	58	72	40	68000	135000	7500
NK 60/25	-	154	60	72	25	39000	86000	7000
NK 60/35	-	195	60	72	35	38000	85000	7000
NKS 60	-	210	60	80	28	45000	96000	7000
RNA 4911	4644911	241	63	80	25	50600	96580	6340
RNA 6911	6634911	430	63	80	45	82560	172000	6340
NK 65/25	-	195	65	78	25	49000	65000	6200
NK 65/35	-	210	65	78	35	59000	72000	6010
NKS 65	-	298	65	85	28	68000	98000	6200
RNA 4912	4644912	257	68	85	25	52800	91050	6100
RNA 6912	6634912	436	68	85	45	88500	186000	6100
NK 70/25	-	320	70	85	25	62000	78000	6000
NK 70/35	-	398	70	85	35	65000	92000	6000
NKS 70	-	421	70	90	28	85000	113000	6000
RNA 4913	4644913	300	72	90	25	57500	110500	6100
RNA 6913	6634913	571	72	90	45	87600	194500	6100