Best Nkis Style Standard Needle Roller Bearing With Inner Ring

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Comparing with NKI series needle roller bearing, the heavy series NKIS needle roller bearings that have metric dimensions, larger outside diameter and heavier load capacity. The NKIS series is with inner rings, cage guided rollers, precision ground raceways with ribs, with/without seals are both available. The retainer guides needles providing full length roller contact for maximum capacity, low friction and long life.

When the needle roller bearing is impractical to finish the shaft to meet the desired raceway design requirements, an inner ring may be used. The metric series NKIS needle roller bearings are available with inner rings to form complete bearings. Bearings furnished with inner rings meet the quality requirements in accordance with ISO standards.

For NKIS series, there are two different structures for it based on if the bore is more than 7mm. The NKIS type bearings are used when the load carrying capacity or accuracy of drawn cup needle roller bearings with open ends is no longer sufficient and the high load capacity of cylindrical roller bearings is not yet required.

Application

The needle roller bearing is used in various applications, such as automotive and truck transmissions, agricultural and construction equipment, pumps and compressors, and two-cycle engines, among others.

Bearing Model	Dimensions(mm)					Basic Load Rating(KN)		Limiting Speed(rpm)	Weight(Kg)
Bearing Model	d	F	D	B	fmin	Dyn.C	Stat.Co	Oil	Weight(Kg)
NKIS6	6	10	19	13	0.3	4.64	4.8	23200	0.0199
NKIS7	7	12	22	16	0.6	7.68	8.32	20800	0.0346
NKIS8	8	14	25	16	0.6	11.52	11.04	19200	0.0471
NKIS9	9	15	26	16	0.6	11.52	11.2	18400	0.0414
NKIS10	10	16	28	16	0.6	12.56	12.64	17600	0.054
NKIS12	12	18	30	16	0.6	13.44	14.16	16800	0.06
NKIS15	15	22	35	20	0.3	19.6	22.4	14400	0.092
NKIS17	17	24	37	20	0.6	20.8	24.8	13600	0.098
NKIS20	20	28	42	20	0.6	22.8	29.2	12000	0.129
NKIS25	25	32	47	22	0.6	26.8	34.8	10400	0.162
NKIS30	30	37	52	22	0.6	29.2	40	9600	0.184
NKIS35	35	43	58	22	0.6	31.2	45.6	8000	0.22
NKIS40	40	50	65	22	1	34	53.6	7200	0.281
NKIS45	45	55	72	22	1	36	59.2	6400	0.336
NKIS50	50	60	80	28	1.1	50.4	78.4	6000	0.518
NKIS55	55	65	85	28	1.1	53.6	86.4	5600	0.558
NKIS60	60	70	90	28	1.1	54.4	90.4	5200	0.56
NKIS65	65	75	95	28	1.1	56.8	98.4	4800	0.641
NKIS70	70	80	100	28	1.1	60	106.4	4400	0.68

NKIS Style Standard Needle Roller Bearing with Inner Ring NKIS17 Size 17x37x20 mm

NKIS Style Standard Needle Roller Bearing with Inner Ring NKIS15 Size 15x35x20 mm

NKIS Style Standard Needle Roller Bearing with Inner Ring NKIS12 Size 12x30x16 mm

NKIS Style Standard Needle Roller Bearing with Inner Ring NKIS10 Size 10x28x16 mm

NKIS Style Standard Needle Roller Bearing with Inner Ring NKIS9 Size 9x26x16 mm

NKIS Style Standard Needle Roller Bearing with Inner Ring NKIS7 Size 7x22x16 mm

NKIS Style Standard Needle Roller Bearing with Inner Ring NKIS6 Size 6x19x13 mm