Cylindrical Roller Bearings – Standard – rubbersealsandgaskets.com

At Kriloha Ltd., we understand that the longevity of your machinery depends on the “Contact-Integrity” of its internal components. Our Standard Cylindrical Roller Bearings are our engineered answer for “High-Radial-Support” and “High-Speed-Precision.” As a premier provider of industrial components, Kriloha has curated a range that balances mechanical invincibility with the operational agility required for modern rotating equipment.

The engineering of our standard series is based on Optimized Line Contact. By refining the crowning of the rollers and raceways, we ensure that load is distributed evenly, preventing the “edge-loading” that typically leads to premature failure. At Kriloha, we verify that our bearings meet P0 or P6 precision classes as a standard, utilizing high-quality steel that has been heat-treated for long-term dimensional stability. This creates a “Rigid-Resilient” support system that remains stable under the most punishing industrial duty cycles.

Manufacturing these bearings involves strict Noise and Vibration Verification. We ensure that every bearing provides the quiet, smooth operation required for high-precision environments. Whether you are maintaining a high-speed electric motor or a heavy-duty industrial pump, Kriloha Cylindrical Roller Bearings provide the mechanical durability your facility demands. By choosing Kriloha Ltd., you are investing in a “Precision-Fit” technology that secures your highest-value rotating assets.

Bearing Table

SR. NO.	BEARING NO.	BOUNDARY DIMENSIONS (in mm)				MASS (~ Kg.)
SR. NO.	BEARING NO.	d	D	B	b	MASS (~ Kg.)
1	NU 202 EM	15.000	35.000	11.000	–	0.055
2	NF 302 M	15.000	42.000	13.000	–	0.090
3	N 204 EP	20.000	47.000	14.000	–	0.107
4	N 204	20.000	47.000	14.000	–	0.120
5	NJ 204 ETN	20.000	47.000	14.000	–	0.110
6	NU 204 ETN	20.000	47.000	14.000	–	0.120
7	NUP 304 ECP	20.000	52.000	15.000	–	0.170
8	NUP 304 EM	20.000	52.000	15.000	–	0.180
9	NUP 2304 EMN	20.000	52.000	21.000	–	0.255
10	NU 205 M	25.000	52.000	15.000	–	0.150
11	NU 205 EP	25.000	52.000	15.000	–	0.130
12	NJ 2205 M	25.000	52.000	18.000	–	0.165
13	NUP 2205 EM	25.000	52.000	18.000	–	0.170
14	N 2205 EM	25.000	52.000	18.000	–	0.178
15	NU 305	25.000	62.000	17.000	–	0.240
16	NJ 305 EC	25.000	62.000	17.000	–	0.246
17	N 305 EM	25.000	62.000	17.000	–	0.280
18	NJ 405 M	25.000	80.000	21.000	–	0.580
19	NU 206 E	30.000	62.000	16.000	–	0.220
20	NJ 206 EM	30.000	62.000	16.000	–	0.250
21	NUP 206 E	30.000	62.000	16.000	–	0.230
22	N 206 EM	30.000	62.000	16.000	–	0.220
23	NJ 206 EP	30.000	62.000	16.000	–	0.250
24	N 2206 M	30.000	62.000	20.000	–	0.285
25	NJ 306 E	30.000	72.000	19.000	–	0.400
26	NU 2306 EM	30.000	72.000	27.000	–	0.580
27	NJ 406	30.000	90.000	23.000	–	0.785
28	NU 1007 M	35.000	62.000	14.000	–	0.171
29	NU 1007 ECP	35.000	62.000	14.000	–	0.150
30	NJ 207 ECP	35.000	72.000	17.000	–	0.290
31	N 2207 EMN	35.000	72.000	23.000	–	0.445
32	NU 2207 EM	35.000	72.000	23.000	–	0.460
33	NJ 2207 EM	35.000	72.000	23.000	–	0.430
34	N 307 E	35.000	80.000	21.000	–	0.525
35	NJ 307 E	35.000	80.000	21.000	–	0.475
36	NUP 307 EP	35.000	80.000	21.000	–	0.560
37	NU 307 MN	35.000	80.000	23.000	–	0.585
38	NU 2307 EM	35.000	80.000	31.000	–	0.780
39	NU 1008 M	40.000	68.000	15.000	–	0.220
40	NU 208 EMN	40.000	80.000	18.000	–	0.426
41	NJ 208 EP	40.000	80.000	18.000	–	0.435
42	NUP 208 EM	40.000	80.000	18.000	–	0.440
43	NJ 208 E	40.000	80.000	18.000	–	0.390
44	NF 208 EM	40.000	80.000	18.000	–	0.425
45	NJ 2208 E	40.000	80.000	23.000	–	0.518
46	N 2208 EMN	40.000	80.000	23.000	–	0.520
47	NU 308 EM	40.000	90.000	23.000	–	0.650
48	NJ 308 EM	40.000	90.000	23.000	–	0.670
49	NUP 308 EM	40.000	90.000	23.000	–	0.680
50	NUP 308 EP	40.000	90.000	23.000	–	0.675
51	NU 1009 M	45.000	75.000	16.000	–	0.270
52	NUP 1009 M	45.000	75.000	16.000	–	0.290
53	NUP 1009 EP	45.000	75.000	16.000	–	0.280
54	NU 209 EMN	45.000	85.000	19.000	–	0.482
55	NJ 209 EM	45.000	85.000	19.000	–	0.490
56	NUP 209 EM	45.000	85.000	19.000	–	0.500
57	NF 209 EM	45.000	85.000	19.000	–	0.480
58	NU 2209 EMN	45.000	85.000	23.000	–	0.520
59	NU 309 EMN	45.000	100.000	25.000	–	0.855
60	NJ 309 E	45.000	100.000	25.000	–	0.965
61	NUP 309 E	45.000	100.000	25.000	–	0.980
62	NUP 309 EP	45.000	100.000	25.000	–	0.950
63	NJ 210 EM	50.000	90.000	20.000	–	0.490
64	NUP 210 EM	50.000	90.000	20.000	–	0.520
65	N 210	50.000	90.000	20.000	–	0.480
66	NJ 2210 E	50.000	90.000	23.000	–	0.580
67	NUP 2210 E	50.000	90.000	23.000	–	0.600
68	NJ 2210E + HJ 210E	50.000	90.000	23.000	5.000	0.645
69	NU 310 EM	50.000	110.000	27.000	–	1.140
70	NJ 310 EM	50.000	110.000	27.000	–	1.200
71	NUP 310 EM	50.000	110.000	27.000	–	1.220
72	NUP 310 EP	50.000	110.000	27.000	–	1.175
73	NU 1011	55.000	90.000	18.000	–	0.440
74	NUP 211 ENR	55.000	100.000	21.000	–	0.680
75	NJ 211 E	55.000	100.000	21.000	–	0.720
76	NUP 211 EM	55.000	100.000	21.000	–	0.730
77	N 211 EMNR	55.000	100.000	21.000	–	0.700
78	NF 211 M	55.000	100.000	21.000	–	0.740
79	NU 311 EM	55.000	120.000	29.000	–	1.450
80	NUP 311 EMNR	55.000	120.000	29.000	–	1.550
81	NUP 212 EM	60.000	110.000	22.000	–	0.900
82	NF 212 M	60.000	110.000	22.000	–	0.920
83	NU 2212 ECP	60.000	110.000	28.000	–	1.110
84	NUP 2212 EM	60.000	110.000	28.000	–	1.215
85	NUP 2212 EMNR	60.000	110.000	28.000	–	1.235
86	NUP 2212 EP	60.000	110.000	28.000	–	1.130
87	NUP 312 MNR	60.000	130.000	31.000	–	2.100
88	NUP 213 EPNR	65.000	120.000	23.000	–	1.098
89	NJ 1014	70.000	110.000	20.000	–	0.700
90	NU 214 M	70.000	125.000	24.000	–	1.150
91	NUP 314 EMNR	70.000	150.000	35.000	–	3.100
92	NJ 215 E	75.000	130.000	25.000	–	1.265
93	N 215	75.000	130.000	25.000	–	1.195
94	NU 2215 E	75.000	130.000	31.000	–	1.550
95	NF 216 M	80.000	140.000	26.000	–	1.680
96	NU 2216 E	80.000	140.000	33.000	–	2.050
97	NU 1017 M	85.000	130.000	22.000	–	1.000
98	NJ 1024	120.000	180.000	28.000	–	2.480

Primary Use Cases

Electric Motors: Used for supporting heavy shafts and high-speed armatures.
Machine Tool Spindles: Providing the rigidity and accuracy needed for precision milling and turning.
Pumps and Compressors: Handling the radial forces generated by rotating impellers and pistons.
Industrial Gearboxes: Supporting high-torque reduction gears in manufacturing and processing plants.
Automotive Transmissions: Managing the internal shaft loads in commercial vehicle gearboxes.

Frequently Asked Questions

1. What is the main difference between a cylindrical roller bearing and a ball bearing?
A cylindrical roller bearing uses line contact, which allows it to handle much higher radial loads than the point contact used in ball bearings.
2. Can standard cylindrical roller bearings handle axial (thrust) loads?
Most standard designs (like the N and NU types) can only handle radial loads. However, specific configurations with ribs on both the inner and outer rings (like the NJ or NUP types) can handle small amounts of axial load in one or both directions.
3. Are these bearings suitable for high-vibration environments?
Yes, due to their robust line contact and high-quality steel construction, they are often preferred in heavy-duty machinery where vibration is common, provided they are properly lubricated.
4. Why is the “separable” design an advantage?
Being separable means you can mount the inner and outer rings independently. This is especially helpful in applications with interference fits or when space for installation is limited.
5. What lubrication is recommended for these bearings?
Depending on the speed and operating temperature, they can be lubricated with high-speed grease or circulating oil. Kriloha recommends specialized EP (Extreme Pressure) additives for bearings under heavy load.